Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Accrued Liabilities, Current [Abstract]
Compensation	$ 22,215	$ 18,490
Customer rebates	9,733	9,639
Insurance	9,057	9,041
Interest and taxes	11,742	6,989
Acquisition payable	2,314	0
Interest and taxes	12,544	8,280
Total accrued expenses	$ 67,605	$ 52,439