Commitments and Contingencies (Schedule of Minimum Lease Obligations) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2016	$ 4,144
2017	1,011
2018	429
2019	305
2020	209
Thereafter	123
Total minimum lease commitments	6,221
Capital Leases, Future Minimum Sublease Rentals	0
Capital Leases, Future Minimum Payments Due, Net Of Sublease Rentals	6,221
Less: amounts representing interest	(332)
Present value of capital lease obligations	5,889
Less: Current portion of capital lease obligations	(4,006)	$ (11,026)
Long-term portion of capital lease obligations	1,883	$ 4,365
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2016	18,969
2017	13,445
2018	10,215
2019	7,986
2020	4,936
Thereafter	7,132
Total minimum lease commitments	62,683
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals	(1,332)
Operating Leases, Future Minimum Payments Due, Net Of Sublease Rentals	$ 61,351

Capital Leases, Future Minimum Payments Due, Net Of Sublease Rentals

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year, net of sublease rentals.

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Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.

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Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

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Minimum payments receivable in the future under noncancelable subleases.

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Contractually required future rental payments receivable on noncancelable subleasing arrangements.

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