COMPONENTS OF PENSION PLAN NET PERIODIC BENEFIT COSTS (Details) (Pension Plan, USD $)	0 Months Ended	3 Months Ended				6 Months Ended					12 Months Ended
	Jul. 15, 2013	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012		Dec. 31, 2012	Dec. 31, 2013 Forecast
Components of net periodic benefit cost:
Service cost		$ 674,000		$ 699,000		$ 1,434,000		$ 1,453,000
Interest cost		929,000		818,000		1,781,000		1,636,000
Expected return on plan assets		(931,000)		(956,000)		(2,164,000)		(1,912,000)
Amortization of net loss		559,000	[1]	485,000	[1]	1,118,000	[1]	915,000	[1]
Net periodic benefit cost		1,231,000		1,046,000		2,169,000		2,092,000
Employer contribution	800,000					800,000					2,400,000
Expected contribution for pension plan in 2013										2,400,000
Expected quarterly contribution for the remainder of 2013		$ 800,000				$ 800,000

[1] Amortization of net loss is included in the operating expenses line item within our condensed consolidated statements of income.