Annual report pursuant to Section 13 and 15(d)

Supplemental Cash Flow Information (Supplemental Disclosure Of Cash Flow Information) (Details)

v2.4.1.9
Supplemental Cash Flow Information (Supplemental Disclosure Of Cash Flow Information) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Cash paid during the period for:      
Income tax payments $ 87,787us-gaap_IncomeTaxesPaid $ 92,502us-gaap_IncomeTaxesPaid $ 52,709us-gaap_IncomeTaxesPaid
Income tax refunds (482)us-gaap_ProceedsFromIncomeTaxRefunds (2,061)us-gaap_ProceedsFromIncomeTaxRefunds (10)us-gaap_ProceedsFromIncomeTaxRefunds
Interest payments 6,142us-gaap_InterestPaid 5,230us-gaap_InterestPaid 29,985us-gaap_InterestPaid
Non-cash financing activities:      
Capital expenditures incurred but paid in advance 9,100hsni_NonCashInvestingandFinancingActivity 0hsni_NonCashInvestingandFinancingActivity 0hsni_NonCashInvestingandFinancingActivity
Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss) $ (1,581)us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss $ 1,296us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss $ 755us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss