Roll Forward Of The Warranty Reserve (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Beginning balance January 1st	$ 4,875	$ 4,417	$ 3,831
Provision for warranties	3,845	5,398	4,648
Claim settlements	(3,865)	(5,214)	(4,443)
Other adjustments, including acquisitions and currency translation	33	274	381
Ending balance December 31st	$ 4,888	$ 4,875	$ 4,417