Accrued Expenses - Components of Accrued Expenses (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Payables and Accruals [Abstract]
Payroll and related items	$ 61,804	$ 63,297
Management incentive compensation	7,048	20,949
Income taxes payable	25,512	11,746
Insurance	8,995	7,741
Warranty	5,109	4,888
Deferred revenue	12,343	9,455
Liability for uncertain tax positions	950	1,201
Accrued interest	9,477	1,354
Other	32,305	30,120
Total accrued expenses	$ 163,543	$ 150,751