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Background and Basis of Presentation - Summary of Activity in Product Warranty Accrual Included in Other Accrued Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Product warranty accrual, beginning of period	$ 21,795	$ 24,127	$ 24,838	$ 26,005
Provision for warranty claims	2,504	2,421	7,435	3,568
Warranty claims paid	(4,776)	(2,437)	(12,750)	(5,462)
Product warranty accrual, end of period	$ 19,523	$ 24,111	$ 19,523	$ 24,111

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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