Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Schedule Of Long-Term Debt) (Details)

v2.4.1.9
Long-Term Debt (Schedule Of Long-Term Debt) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Jan. 27, 2015
Dec. 31, 2014
Mar. 31, 2014
Debt Instrument [Line Items]        
Total long-term debt $ 675,000us-gaap_LongTermDebt   $ 228,126us-gaap_LongTermDebt $ 237,500us-gaap_LongTermDebt
Less: current maturities (6,250)us-gaap_LongTermDebtCurrent   (17,188)us-gaap_LongTermDebtCurrent (12,500)us-gaap_LongTermDebtCurrent
Long-term debt, less current maturities 668,750us-gaap_LongTermDebtNoncurrent   210,938us-gaap_LongTermDebtNoncurrent 225,000us-gaap_LongTermDebtNoncurrent
Revolving credit facility [Member]        
Debt Instrument [Line Items]        
Secured credit 175,000us-gaap_SecuredDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
     
Credit Agreement Terminated January 27, 2015 [Member] | Long-term Debt [Member]        
Debt Instrument [Line Items]        
Secured credit 0us-gaap_SecuredDebt
/ us-gaap_CreditFacilityAxis
= hsni_CreditAgreementTerminatedJanuary272015Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LongTermDebtMember
  228,126us-gaap_SecuredDebt
/ us-gaap_CreditFacilityAxis
= hsni_CreditAgreementTerminatedJanuary272015Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LongTermDebtMember
237,500us-gaap_SecuredDebt
/ us-gaap_CreditFacilityAxis
= hsni_CreditAgreementTerminatedJanuary272015Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LongTermDebtMember
Credit Agreement Terminated January 27, 2015 [Member] | Revolving credit facility [Member]        
Debt Instrument [Line Items]        
Secured credit 0us-gaap_SecuredDebt
/ us-gaap_CreditFacilityAxis
= hsni_CreditAgreementTerminatedJanuary272015Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
  0us-gaap_SecuredDebt
/ us-gaap_CreditFacilityAxis
= hsni_CreditAgreementTerminatedJanuary272015Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
0us-gaap_SecuredDebt
/ us-gaap_CreditFacilityAxis
= hsni_CreditAgreementTerminatedJanuary272015Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
Credit Agreement 1.25B [Member]        
Debt Instrument [Line Items]        
Secured credit   1,250,000us-gaap_SecuredDebt
/ us-gaap_CreditFacilityAxis
= hsni_CreditAgreement1.25BMember
   
Credit Agreement 1.25B [Member] | Long-term Debt [Member]        
Debt Instrument [Line Items]        
Secured credit 500,000us-gaap_SecuredDebt
/ us-gaap_CreditFacilityAxis
= hsni_CreditAgreement1.25BMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LongTermDebtMember
500,000us-gaap_SecuredDebt
/ us-gaap_CreditFacilityAxis
= hsni_CreditAgreement1.25BMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LongTermDebtMember
0us-gaap_SecuredDebt
/ us-gaap_CreditFacilityAxis
= hsni_CreditAgreement1.25BMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LongTermDebtMember
0us-gaap_SecuredDebt
/ us-gaap_CreditFacilityAxis
= hsni_CreditAgreement1.25BMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LongTermDebtMember
Credit Agreement 1.25B [Member] | Revolving credit facility [Member]        
Debt Instrument [Line Items]        
Secured credit $ 175,000us-gaap_SecuredDebt
/ us-gaap_CreditFacilityAxis
= hsni_CreditAgreement1.25BMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
  $ 0us-gaap_SecuredDebt
/ us-gaap_CreditFacilityAxis
= hsni_CreditAgreement1.25BMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
$ 0us-gaap_SecuredDebt
/ us-gaap_CreditFacilityAxis
= hsni_CreditAgreement1.25BMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember