Annual report pursuant to Section 13 and 15(d)

Shareholders' Equity (Details)

v2.4.1.9
Shareholders' Equity (Details) (USD $)
 3 Months Ended 12 Months Ended 34 Months Ended 1 Months Ended 3 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Jul. 16, 2014
Feb. 28, 2015
Mar. 31, 2015
Sep. 27, 2011
Jan. 27, 2015
Subsequent Event [Line Items]                                
Shares authorized under share repurchase program                             10,000,000us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased  
Dividends declared per common share (usd per share) $ 0.35us-gaap_CommonStockDividendsPerShareDeclared [1] $ 0.25us-gaap_CommonStockDividendsPerShareDeclared $ 0.25us-gaap_CommonStockDividendsPerShareDeclared $ 0.25us-gaap_CommonStockDividendsPerShareDeclared [2] $ 0.25us-gaap_CommonStockDividendsPerShareDeclared [3] $ 0.18us-gaap_CommonStockDividendsPerShareDeclared [4] $ 0.18us-gaap_CommonStockDividendsPerShareDeclared $ 0.18us-gaap_CommonStockDividendsPerShareDeclared $ 1.10us-gaap_CommonStockDividendsPerShareDeclared $ 0.79us-gaap_CommonStockDividendsPerShareDeclared $ 0.555us-gaap_CommonStockDividendsPerShareDeclared          
Number of rights per outstanding share declared 1us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights               1us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights              
Percentage of common stock to be acquired for exercise of the rights                 15.00%hsni_PercentageOfCommonStockToBeAcquiredForExerciseOfRights              
Discount on market price common stock for purchase of rights                 50.00%hsni_DiscountOnMarketPriceCommonStockForPurchaseOfRights              
Accumulated other comprehensive income (loss) as of January 1,       $ 354,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax       $ (471,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax $ 354,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax $ (471,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax $ 0us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax          
Other comprehensive (loss) income before reclassifications                 (1,581,000)us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax 1,329,000us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax (755,000)us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax          
Amounts reclassified from accumulated other comprehensive income (loss) to interest expense in the consolidated statements of operations                 1,215,000us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax 0us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax 0us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax          
Income tax (benefit) expense                 139,000us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax (504,000)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax 284,000us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax          
Other comprehensive income, net of tax                 (227,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax 825,000us-gaap_OtherComprehensiveIncomeLossNetOfTax (471,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax          
Accumulated other comprehensive income (loss) as of December 31, 127,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax       354,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax       127,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax 354,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax (471,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax          
Stock Repurchased and Retired During Period, Shares                 1,000,000us-gaap_StockRepurchasedAndRetiredDuringPeriodShares 2,700,000us-gaap_StockRepurchasedAndRetiredDuringPeriodShares            
Stock Repurchased and Retired During Period, Value                 55,500,000us-gaap_StockRepurchasedAndRetiredDuringPeriodValue 146,900,000us-gaap_StockRepurchasedAndRetiredDuringPeriodValue   451,000,000us-gaap_StockRepurchasedAndRetiredDuringPeriodValue        
Outstanding common stock acquired, average price                 $ 54.87us-gaap_TreasuryStockAcquiredAverageCostPerShare $ 53.67us-gaap_TreasuryStockAcquiredAverageCostPerShare   $ 45.10us-gaap_TreasuryStockAcquiredAverageCostPerShare        
Payments of Dividends                 57,824,000us-gaap_PaymentsOfDividends 42,281,000us-gaap_PaymentsOfDividends 31,049,000us-gaap_PaymentsOfDividends          
Subsequent Event [Member]                                
Subsequent Event [Line Items]                                
Shares authorized under share repurchase program                               4,000,000us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Dividends declared per common share (usd per share)                         $ 10.00us-gaap_CommonStockDividendsPerShareDeclared
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember 		$ 0.35us-gaap_CommonStockDividendsPerShareDeclared
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember 		   
Dividends, Cash                         $ 524,000,000us-gaap_DividendsCash
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember 		     
[1] (d)The fourth quarter of 2014 includes $5.0 million of revenue, or $3.1 million of income, net of taxes, related to the cumulative reversal of liabilities for certain unused merchandise credits ("breakage") which increased diluted earnings per share by $0.06.
[2] (a)The first quarter of 2014 includes a $3.1 million settlement with the Consumer Product Safety Commission.
[3] (c)The fourth quarter of 2013 includes a $3.6 million reduction to a previously recorded contingent consideration obligation and a $3.0 million impairment charge of intangible assets related to a 2012 acquisition resulting in a net expense reduction of $0.6 million, or $1.7 million net of taxes. These fair value adjustments increased diluted earnings per share by $0.03.
[4] (b)The third quarter of 2013 includes discrete tax benefits of $3.7 million which increased diluted earnings per share by $0.07.