STOCK PLANS - Activity (Details) (USD $)	3 Months Ended
	Mar. 29, 2015
RSUs
RSU's
Nonvested at the beginning of the period (in shares)	1,329,550
Granted (in shares)	1,201,500
Vested (in shares)	(355,050)
Forfeited (in shares)	(1,700)
Nonvested at the end of the period (in shares)	2,174,300
Weighted Average Grant Date Fair Value
Outstanding at the beginning of the period (in dollars per share)	$ 3.62
Granted (in dollars per share)	$ 2.46
Vested (in dollars per share)	$ 3.96
Forfeited (in dollars per share)	$ 4.11
Outstanding at the end of the period (in dollars per share)	$ 2.92
Additional disclosures
Total fair value	$ 800,000
Stock options and SARs
Options/SARs
Outstanding at the beginning of the period (in shares)	3,848,750
Forfeited (in shares)	(3,500)
Expired (in shares)	(4,000)
Outstanding at the end of the period (in shares)	3,841,250
Weighted Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)	$ 9.28
Forfeited (in dollars per share)	$ 3.14
Expired (in dollars per share)	$ 72.95
Outstanding at the end of the period (in dollars per share)	$ 9.22
Aggregate Intrinsic Value
Outstanding at the beginning of the period (in dollars)	1,542,000
Outstanding at the end of the period (in dollars)	$ 25,000