Accrued Expenses (Schedule Of Accrued Expenses) (Details) - USD ($) $ in Thousands	Dec. 31, 2014		Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013		Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013
Accrued Expenses [Abstract]
Accrued payroll and payroll related deductions and taxes	$ 23,630					$ 23,396
Accrued compensation arrangements	30,867					15,316
Accrued interest	16,229					13,426
Accrued other	17,878					12,010
Total accrued expenses	$ 88,604	[1]	$ 102,040	$ 88,697	$ 94,326	$ 64,148	[1]	$ 64,330	$ 51,135	$ 62,171

[1] As Restated