Accrued Expenses (Components of Accrued Expenses) (Detail) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Payables and Accruals [Abstract]
Payroll and related items	$ 62,703	$ 67,209
Management incentive compensation	13,755	12,599
Income taxes payable	11,409	3,836
Insurance	8,979	9,505
Warranty	6,036	7,936
Deferred revenue	11,200	9,885
Restructuring	2,258	6,636
Liability for uncertain tax positions	2,711	3,498
Accrued interest	11,518	1,230
Contingent consideration for acquisition	0	4,705
Other	30,247	26,633
Total accrued expenses	$ 160,816	$ 153,672