Accrued Expenses (Components of Accrued Expenses) (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Payables and Accruals [Abstract]
Payroll and related items	$ 61,348	$ 64,124
Management incentive compensation	9,627	21,567
Income taxes payable	18,671	9,305
Insurance	9,454	10,058
Warranty	7,164	7,196
Deferred revenue	9,696	11,813
Restructuring	3,544	6,056
Liability for uncertain tax positions	2,197	2,084
Accrued interest	8,559	1,738
Contingent consideration for acquisition	4,705	0
Other	34,942	29,468
Total accrued expenses	$ 169,907	$ 163,409