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Commitments and Contingencies - Operating Leases (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Operating Leases, Rent Expense, Net [Abstract] | |||
| Rental expense under operating lease arrangements | $ 7.2us-gaap_OperatingLeasesRentExpenseNet | $ 7.1us-gaap_OperatingLeasesRentExpenseNet | $ 7.1us-gaap_OperatingLeasesRentExpenseNet |
| Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] | |||
| 2015 | 6.6strza_OperatingLeasesFutureMinimumPaymentsDueNextTwelveMonthsNetOfFutureMinimumSubleaseRentals | ||
| 2016 | 5.2strza_OperatingLeasesFutureMinimumPaymentsDueInTwoYearsNetOfFutureMinimumSubleaseRentals | ||
| 2017 | 2.3strza_OperatingLeasesFutureMinimumPaymentsDueInThreeYearsNetOfFutureMinimumSubleaseRentals | ||
| 2018 | 2.2strza_OperatingLeasesFutureMinimumPaymentsDueInFourYearsNetOfFutureMinimumSubleaseRentals | ||
| 2019 | 1.9strza_OperatingLeasesFutureMinimumPaymentsDueInFiveYearsNetOfFutureMinimumSubleaseRentals | ||
| Thereafter | 1.5strza_OperatingLeasesFutureMinimumPaymentsDueThereafterNetOfFutureMinimumSubleaseRentals | ||
| Total future minimum payments under noncancelable operating leases, net of subleases | $ 19.7strza_OperatingLeasesFutureMinimumPaymentsDueNetOfFutureMinimumSubleaseRentals | ||
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- Definition
Operating Leases, Future Minimum Payments, Due in Five Years, Net of Future Minimum Sublease Rentals No definition available.
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- Definition
Operating Leases, Future Minimum Payments, Due in Four Years, Net of Future Minimum Sublease Rentals No definition available.
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- Definition
Operating Leases, Future Minimum Payments, Due in Three Years, Net of Future Minimum Sublease Rentals No definition available.
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- Definition
Operating Leases, Future Minimum Payments, Due in Two Years, Net of Future Minimum Sublease Rentals No definition available.
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- Definition
Operating Leases, Future Minimum Payments Due, Net of Future Minimum Sublease Rentals No definition available.
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- Definition
Operating Leases, Future Minimum Payments Due, Next Twelve Months, Net of Future Minimum Sublease Rentals No definition available.
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- Definition
Operating Leases, Future Minimum Payments, Due Thereafter, Net of Future Minimum Sublease Rentals No definition available.
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- Details
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- Details
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- Definition
Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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