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Stock-Based Awards (Summary Of Status Of Outstanding Stock Options And SARs) (Details) (Stock Options And Stock Appreciation Rights [Member], USD $)
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12 Months Ended | |||
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Dec. 31, 2014
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Stock Options And Stock Appreciation Rights [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] | ||||
| Outstanding, beginning balance (in shares) |
2,580,889us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = hsni_StockOptionsAndStockAppreciationRightsMember |
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| Granted (in shares) |
423,579us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = hsni_StockOptionsAndStockAppreciationRightsMember |
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| Exercised (in shares) |
(650,740)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = hsni_StockOptionsAndStockAppreciationRightsMember |
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| Forfeited (in shares) |
(39,528)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod / us-gaap_AwardTypeAxis = hsni_StockOptionsAndStockAppreciationRightsMember |
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| Expired (in shares) |
(17,520)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod / us-gaap_AwardTypeAxis = hsni_StockOptionsAndStockAppreciationRightsMember |
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| Outstanding, ending balance (in shares) |
2,296,680us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = hsni_StockOptionsAndStockAppreciationRightsMember |
[1] | ||
| Vested and expected to vest at December 31, 2013 (in shares) |
2,223,860us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber / us-gaap_AwardTypeAxis = hsni_StockOptionsAndStockAppreciationRightsMember |
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| Exercisable at December 31, 2013 (in shares) |
1,598,089us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_AwardTypeAxis = hsni_StockOptionsAndStockAppreciationRightsMember |
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| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward] | ||||
| Outstanding at January 1, 2013, weighted average exercise price (in usd per share) |
$ 34.15us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = hsni_StockOptionsAndStockAppreciationRightsMember |
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| Granted, weighted average exercise price (in usd per share) |
$ 55.05us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = hsni_StockOptionsAndStockAppreciationRightsMember |
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| Exercised, weighted average exercise price (in usd per share) |
$ 24.34us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = hsni_StockOptionsAndStockAppreciationRightsMember |
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| Forfeited, weighted average exercise price (in usd per share) |
$ 54.70us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = hsni_StockOptionsAndStockAppreciationRightsMember |
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| Expired, weighted average exercise price (in usd per share) |
$ 17.63us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = hsni_StockOptionsAndStockAppreciationRightsMember |
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| Outstanding at December 31, 2013, weighted average exercise price (in usd per share) |
$ 40.54us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = hsni_StockOptionsAndStockAppreciationRightsMember |
[1] | ||
| Vested and expected to vest at December 31, 2013, weighted average exercise price (in usd per share) |
$ 40.04us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = hsni_StockOptionsAndStockAppreciationRightsMember |
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| Exercisable at December 31, 2013, weighted average exercise price (in usd per share) |
$ 35.07us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = hsni_StockOptionsAndStockAppreciationRightsMember |
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| Outstanding at December 31, 2013, Weighted Average Remaining Contractual Term | 5 years 4 months | |||
| Vested and expected to vest at December 31, 2013, Weighted Average Remaining Contractual Term | 5 years 2 months | |||
| Exercisable at December 31, 2013, Weighted Average Remaining Contractual Term | 3 years 11 months | |||
| Outstanding at December 31, 2013, Aggregate Intrinsic Value |
$ 81,429,314us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue / us-gaap_AwardTypeAxis = hsni_StockOptionsAndStockAppreciationRightsMember |
[1] | ||
| Vested and expected to vest at December 31, 2013, Aggregate Intrinsic Value |
79,976,327us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue / us-gaap_AwardTypeAxis = hsni_StockOptionsAndStockAppreciationRightsMember |
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| Exercisable at December 31, 2013, Aggregate Intrinsic Value |
$ 65,406,938us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 / us-gaap_AwardTypeAxis = hsni_StockOptionsAndStockAppreciationRightsMember |
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| Stock options held by employees of spincos |
300,000hsni_StockOptionsHeldByEmployeesOfSpinOffCompanies / us-gaap_AwardTypeAxis = hsni_StockOptionsAndStockAppreciationRightsMember |
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| X | ||||||||||
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- Definition
Stock options held by employees of spin off companies No definition available.
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| X | ||||||||||
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- Definition
Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Net number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount by which the current fair value of the underlying stock exceeds the exercise price of fully vested and expected to vest options outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available.
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- Definition
Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. No definition available.
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| X | ||||||||||
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- Definition
Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. No definition available.
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| X | ||||||||||
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- Definition
Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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| X | ||||||||||
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- Definition
Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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