Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Accrued Liabilities, Current [Abstract]
Payroll and related taxes	$ 24,407	$ 21,928
Bonuses and commissions	15,441	20,910
Profit sharing contribution	13,669	11,460
Insurance	31,821	31,137
Promotions	25,261	23,224
Sales, real estate, and personal property taxes	66,563	58,716
Deferred revenue	2,875	3,125
Legal reserves	1,930	1,684
Other	3,176	1,818
Accrued expenses	$ 185,143	$ 174,002