Debt and Lease Obligations (Maturities of Debt by Type) (Details) $ in Thousands	Dec. 31, 2015 USD ($)
Long-term Debt, Fiscal Year Maturity [Abstract]
2016	$ 60,434
2017	68,561
2018	60,000
2019	60,000
Thereafter	1,382,275
Total	1,631,270
Term Loan
Long-term Debt, Fiscal Year Maturity [Abstract]
2016	60,000
2017	60,000
2018	60,000
2019	60,000
Thereafter	45,000
Total	285,000
Senior Notes and other debt
Long-term Debt, Fiscal Year Maturity [Abstract]
2016	434
2017	8,561
2018	0
2019	0
Thereafter	1,337,275
Total	$ 1,346,270