EARNINGS PER SHARE (EPS) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Oct. 02, 2011	Sep. 30, 2012	Oct. 02, 2011
Basic Earnings Per Share
Net income attributable to common stockholders	$ 21,123,000	$ 40,563,000	$ 72,814,000	$ 101,326,000
Less: undistributed income allocated to participating preferred stockholders	3,800,000	5,300,000	13,200,000	13,100,000
Net income allocated to common stockholders	17,300,000	35,300,000	59,600,000	88,200,000
Weighted average common shares outstanding (basic)	121,253,000	103,804,000	121,683,000	103,744,000
Basic EPS (in dollars per share)	$ 0.14	$ 0.34	$ 0.49	$ 0.85
Diluted Earnings Per Share
Net income attributable to common stockholders	21,123,000	40,563,000	72,814,000	101,326,000
Add: effect of dilutive convertible debt		1,000,000		3,100,000
Less: undistributed income allocated to participating preferred stockholders		4,100,000		10,000,000
Net income attributable to common stockholders	$ 21,100,000	$ 37,500,000	$ 72,800,000	$ 94,400,000
Weighted average common shares outstanding (basic)	121,253,000	103,804,000	121,683,000	103,744,000
Common shares issuable assuming dilution	35,400,000	36,000,000	34,600,000	36,600,000
Weighted average common shares outstanding (diluted)	156,696,000	139,788,000	156,252,000	140,330,000
Diluted EPS (in dollars per share)	$ 0.13	$ 0.27	$ 0.47	$ 0.67
Options
Antidilutive shares
Number of shares excluded from computation of diluted EPS	5,600,000	5,000,000	6,100,000	3,000,000