STOCKHOLDERS' EQUITY (Tables)

12 Months Ended

Dec. 31, 2015

Equity [Abstract]

Common stock outstanding

The following table demonstrates the change in the number of shares of common stock outstanding during the years ended December 2015, 2014, and 2013 (excludes non-voting restricted shares).

Shares outstanding as of December 31, 2012	46,774,573
Purchase of common stock	(211,546	)
Shares issued under stock incentive plan, net of awards surrender to pay applicable taxes	162,549
Exercise of stock options	330,895
Shares issued to Board of Directors in lieu of cash	2,987
Shares outstanding as of December 31, 2013	47,059,458
Purchase of common stock	(270,467	)
Shares issued under stock incentive plan, net of awards surrender to pay applicable taxes	319,773
Exercise of stock options	375,718
Shares issued to Board of Directors in lieu of cash	3,028
Shares outstanding as of December 31, 2014	47,487,510
Purchase of common stock	(260,088	)
Shares issued under stock incentive plan, net of awards surrender to pay applicable taxes	218,458
Exercise of stock options	377,671
Shares issued to Board of Directors in lieu of cash	4,528
Shares outstanding as of December 31, 2015	47,828,079

Schedule of components of accumulated other comprehensive income (loss)

The components of accumulated other comprehensive income (loss) are as follows (in thousands):

	Beginning Balance			Before-Tax Amount			Tax Benefit (Expense)			Net-of-Tax Amount			Ending Balance
December 31, 2013
Pension and other postretirement liability adjustment	$	(45,958	)	$	59,743		$	(23,014	)	$	36,729		$	(9,229	)
Foreign currency translation adjustment	19,180			(4,814		)	—			(4,814		)	14,366
Accumulated other comprehensive income (loss)	$	(26,778	)	$	54,929		$	(23,014	)	$	31,915		$	5,137
December 31, 2014
Pension and other postretirement liability adjustment	$	(9,229	)	$	(41,906	)	$	16,358		$	(25,548	)	$	(34,777	)
Foreign currency translation adjustment	14,366			(12,271		)	—			(12,271		)	2,095
Accumulated other comprehensive income (loss)	$	5,137		$	(54,177	)	$	16,358		$	(37,819	)	$	(32,682	)
December 31, 2015
Pension and other postretirement liability adjustment	$	(34,777	)	$	19,728		$	(7,783	)	$	11,945		$	(22,832	)
Foreign currency translation adjustment	2,095			(16,581		)	—			(16,581		)	(14,486		)
Accumulated other comprehensive income (loss)	$	(32,682	)	$	3,147		$	(7,783	)	$	(4,636	)	$	(37,318	)

Schedule of reclassifications made from accumulated other comprehensive income (loss) to the statement of operations

The following reclassifications were made from accumulated other comprehensive income (loss) to the statements of operations are as follows (in thousands):

	December 31,
	2015			2014			2013
Amortization of pension and other post-retirement liability adjustments
Prior Service Credits (1)	$	852		$	2,019		$	3,364
Actuarial Losses (1)	(6,167		)	(2,540		)	(9,390		)
Loss recognized during settlement	—			(6,509		)	—
Total Before Tax	(5,315		)	(7,030		)	(6,026		)
Tax Benefit	(1,929		)	(2,714		)	(2,410		)
Net of Tax	$	(3,386	)	$	(4,316	)	$	(3,616	)

(1) These accumulated other comprehensive income (loss) components are included in the computation of net periodic pension costs. See Note 16 for additional information.