Major Components of Other Accrued Liabilities (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013
Accrued Liabilities [Line Items]
Payroll and related taxes	$ 36,644	$ 30,362
Customer Deposits	31,261	21,680
Warranty	16,987	15,462	$ 15,485	$ 14,719
Self-Insurance	9,371	7,543
Accrued Taxes	7,759	8,371
All Other	9,833	5,272
Other accrued liabilities	$ 111,855	$ 88,690