Other Accrued Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011	Dec. 31, 2010
Schedule of Accrued Liabilities [Line Items]
Warranty	$ 15,570	$ 11,437	$ 12,345	$ 11,936
Employee compensation and benefits	25,773	19,627
Accrued taxes	7,271	6,239
Customer deposits	21,528	16,282
All other	12,145	5,439
Other accrued liabilities	$ 82,287	$ 59,024