LONG-TERM DEBT (Details 3) (USD $)	3 Months Ended	9 Months Ended		0 Months Ended		9 Months Ended									0 Months Ended		9 Months Ended	12 Months Ended		0 Months Ended
	Sep. 29, 2013	Sep. 29, 2013	Sep. 28, 2014 Revolving credit facility	Oct. 21, 2014 Revolving credit facility Subsequent events	Oct. 21, 2014 Revolving credit facility Subsequent events	Sep. 28, 2014 Revolving credit facility Remainder of term of Credit Agreement	Sep. 28, 2014 Revolving credit facility Minimum	Sep. 28, 2014 Revolving credit facility Maximum	Sep. 28, 2014 Revolving credit facility LIBOR	Sep. 28, 2014 Revolving credit facility LIBOR Minimum	Sep. 28, 2014 Revolving credit facility LIBOR Maximum	Sep. 28, 2014 Revolving credit facility Base rate	Sep. 28, 2014 Revolving credit facility Base rate Minimum	Sep. 28, 2014 Revolving credit facility Base rate Maximum	Oct. 21, 2014 Letter of credit Subsequent events	Oct. 21, 2014 Letter of credit Subsequent events	Sep. 29, 2013 11.50% senior secured notes due in 2017	Dec. 29, 2013 11.50% senior secured notes due in 2017 item	Dec. 18, 2012 11.50% senior secured notes due in 2017	Dec. 18, 2012 9.00% Notes	Sep. 28, 2014 9.00% Notes	Jul. 31, 2013 9.00% Notes Original notes
LONG-TERM DEBT
Outstanding letters of credit			$ 33,200,000
Outstanding line of credit			0
Variable rate basis									LIBOR			base rate
Basis spread on variable rate (as a percent)										2.75%	4.25%		1.75%	3.25%
Commitment fees for the unused revolving credit (as a percent)							0.50%	0.625%
Maximum borrowing capacity, before amendment					75,000,000
Maximum borrowing capacity					65,000,000											35,000,000
Extension period				2 years
Percentage of aggregate undrawn amount of letter of credit required to provide cash collateral															101.00%
New borrowings																				910,000,000
Interest rate (as a percent)																			11.50%	9.00%	9.00%	9.00%
Net proceeds from offering																				889,000,000
Amount of debt repurchased																	83,600,000	846,000,000	762,400,000
Number of transactions to repurchase debt																		2
Loss on extinguishment of debt	873,000	13,643,000															9,600,000
Ownership percentage in each of the guarantor subsidiaries																					100.00%
Maximum consolidated leverage ratio						6.00
Minimum threshold amount of debt used to calculate consolidated total leverage ratio						$ 20,000,000
Dividends restricted if consolidated leverage ratio is exceeded			5.25