COMMITMENTS AND CONTINGENCIES - Summary of Warranty Accrual Included in Accrued Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2012	Sep. 30, 2011	Sep. 28, 2012	Sep. 30, 2011
Contingencies And Commitments [Line Items]
Balance at beginning of period	$ 4,725	$ 5,578	$ 5,558	$ 4,811
Accrual for current period warranties	1,314	1,990	4,407	6,423
Warranty costs incurred	(1,677)	(1,963)	(5,603)	(5,629)
Balance at end of period	$ 4,362	$ 5,605	$ 4,362	$ 5,605