NET INCOME (LOSS) PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 30, 2014	Mar. 31, 2013
Schedule of Earnings Per Share [Line Items]
Net income (loss)	$ 2,465	$ (9,508)
Weighted Average Number of Shares Outstanding Reconciliation
Weighted-average shares outstanding - basic	66,275,000	58,728,000
Weighted-average shares outstanding - diluted	67,971,000	58,728,000
Basic (in dollars per share)	$ 0.04	$ (0.16)
Diluted (in dollars per share)	$ 0.04	$ (0.16)
Stock Options and Restricted Stock Units
Weighted Average Number of Shares Outstanding Reconciliation
Equity instruments, Number of shares outstanding	1,900,000	8,200,000
Stock Options and Restricted Stock Units
Weighted Average Number of Shares Outstanding Reconciliation
Effect of dilutive stock options and restricted stock units	1,696,000	0