PENSIONS AND OTHER POST-RETIREMENT BENEFITS (Tables)

6 Months Ended

Jun. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Summary of the costs of the Company's employee pension and post retirement plans

The following tables summarize the costs of the Company’s employee pension and other post-retirement benefit plans for the periods indicated (in thousands):

	Pension Benefits						Other Benefits
	Three months ended						Three months ended
	June 30,			June 30,			June 30,			June 30,
	2015			2014			2015			2014
Service cost	$	1,887		$	1,734		$	4		$	6
Interest cost	3,114			3,335			80			91
Expected return on plan assets	(3,655		)	(3,936		)	—			—
Amortization of prior service cost	—			3			(72		)	(561		)
Recognized actuarial loss	2,166			502			92			154
Net periodic benefit cost	$	3,512		$	1,638		$	104		$	(310	)

For the three months ended June 30, 2015, $2.0 million of pension expense was incurred in cost of sales and $1.5 million was incurred in selling, general, and administrative expenses. For the three months ended June 30, 2014, $0.9 million of pension expense was incurred in cost of sales and $0.7 million was incurred in selling, general, and administrative expenses.

	Pension Benefits						Other Benefits
	Six months ended						Six months ended
	June 30,			June 30,			June 30,			June 30,
	2015			2014			2015			2014
Service cost	$	3,774		$	3,468		$	8		$	12
Interest cost	6,228			6,670			160			182
Expected return on plan assets	(7,310		)	(7,872		)	—			—
Amortization of prior service cost	—			6			(144		)	(1,122		)
Recognized actuarial loss	4,332			1,004			184			308
Net periodic benefit cost	$	7,024		$	3,276		$	208		$	(620	)

For the six months endedJune 30, 2015, $4.0 million of pension expense was incurred in cost of sales and $3.0 million was incurred in selling, general, and administrative expenses. For the six months endedJune 30, 2014, $1.9 million of pension expense was incurred in cost of sales and $1.4 million was incurred in selling, general, and administrative expenses.