Product Warranties (Tables)

9 Months Ended

Oct. 01, 2011

Product Warranties [Abstract]

Provision For Warranty Obligations

	Three Months Ended						Nine Months Ended
	October 1, 2011			October 2, 2010			October 1, 2011			October 2, 2010
Balance at beginning of period	$	32,052			44,501			37,265			66,545
Warranty claims paid during the period		(13,247	)		(14,999	)		(43,994	)		(58,124	)
Pre-existing warranty accrual adjustment during the period		300			—			3,784			—
Warranty expense during the period		10,140			9,198			32,190			30,279
Balance at end of period	$	29,245			38,700			29,245			38,700