EMPLOYEE BENEFIT PLANS (Details) (USD $)	6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2013 Pension Benefits	Jun. 30, 2013 Pension Benefits	Jun. 28, 2012 Pension Benefits Predecessor	Jun. 28, 2012 Pension Benefits Predecessor	Jun. 30, 2013 Other Benefits	Jun. 30, 2013 Other Benefits	Jun. 28, 2012 Other Benefits Predecessor	Jun. 28, 2012 Other Benefits Predecessor	Dec. 31, 2013 Expected
EMPLOYEE BENEFIT PLANS
Qualification age of employees for participation in the savings plan (in years)	21 years
Minimum service in first twelve months of employment for eligibility (in hours)	1000 hours
Initial period of employment for eligibility (in months)	12 months
Net periodic benefit cost recognized
Expected employer contribution per quarter	$ 888,000
Employer contribution										3,552,000
Components of net periodic benefit cost:
Service cost		45,000	90,000	45,000	90,000	48,000	97,000	44,000	81,000
Interest cost		1,128,000	2,256,000	1,159,000	2,319,000	218,000	435,000	257,000	496,000
Expected return on plan assets		(1,176,000)	(2,353,000)	(1,070,000)	(2,186,000)
Amortization of net (gain) loss				531,000	532,000	(19,000)	(38,000)	52,000	52,000
Amortization of prior service credit								(265,000)	(581,000)
Net periodic benefit cost		$ (3,000)	$ (7,000)	$ 665,000	$ 755,000	$ 247,000	$ 494,000	$ 88,000	$ 48,000