Fair Value Measurements (Fair Value Inputs, Liabilities, Quantitative Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Fair Value Inputs, Liabilities, Quantitative Information
Long-term debt	$ 755,508	$ 411,857
Unamortized Debt Issuance Expense	(18,492)	(3,268)
Contingent Consideration Liability [Member]
Fair Value Inputs, Liabilities, Quantitative Information
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings	4,167	0
Significant other observable inputs (Level 2)
Fair Value Inputs, Liabilities, Quantitative Information
Long-term debt, fair value	779,800
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3)
Fair Value Inputs, Liabilities, Quantitative Information
Obligations, Fair Value Disclosure	21,000	$ 3,000
Interest Expense [Member]
Fair Value Inputs, Liabilities, Quantitative Information
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings	1,400
Selling, General and Administrative Expenses [Member]
Fair Value Inputs, Liabilities, Quantitative Information
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings	$ 2,800