Accrued Expenses (Components of Accrued Expenses) (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Payables and Accruals [Abstract]
Payroll and related items	$ 54,041	$ 67,600
Management incentive compensation	6,582	16,339
Income taxes payable	13,393	8,808
Insurance	9,420	9,416
Warranty	5,887	5,628
Deferred revenue	15,463	12,607
Restructuring	4,148	3,893
Liability for uncertain tax positions	2,359	1,366
Accrued interest	10,449	1,663
Other	20,928	25,532
Total accrued expenses	$ 142,670	$ 152,852