Annual report pursuant to Section 13 and 15(d)

Other Information (Details)

v2.4.1.9
Other Information (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Supplemental Cash Flow Information [Abstract]      
Cash paid for interest, net of amounts capitalized $ 44.0us-gaap_InterestPaidNet $ 43.4us-gaap_InterestPaidNet $ 11.6us-gaap_InterestPaidNet
Cash paid for income taxes 107.9us-gaap_IncomeTaxesPaid 184.4us-gaap_IncomeTaxesPaid 161.4us-gaap_IncomeTaxesPaid
Change in deferred tax assets due to sale of noncontrolling interest 0strza_ChangeInDeferredTaxAssetsDueToSaleOfNoncontrollingInterest 0strza_ChangeInDeferredTaxAssetsDueToSaleOfNoncontrollingInterest 2.2strza_ChangeInDeferredTaxAssetsDueToSaleOfNoncontrollingInterest
Retirement of fully depreciated assets 0us-gaap_PropertyPlantAndEquipmentDisposals 0us-gaap_PropertyPlantAndEquipmentDisposals 56.0us-gaap_PropertyPlantAndEquipmentDisposals
Distribution of corporate office building to Old LMC 0strza_DistributionOfCorporateOfficeBuildingRelatedToSpinOffNonCash 45.7strza_DistributionOfCorporateOfficeBuildingRelatedToSpinOffNonCash 0strza_DistributionOfCorporateOfficeBuildingRelatedToSpinOffNonCash
Capital lease related to lease with LPH 0us-gaap_CapitalLeaseObligationsIncurred 44.8us-gaap_CapitalLeaseObligationsIncurred 0us-gaap_CapitalLeaseObligationsIncurred
Tax attributes related to Spin-Off (Non-Cash) $ 0strza_TaxattributesrelatedtoSpinOffNonCash $ 11.5strza_TaxattributesrelatedtoSpinOffNonCash $ 0strza_TaxattributesrelatedtoSpinOffNonCash