Shareholders' Equity Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2017

Stockholders' Equity Note [Abstract]

Total Comprehensive Income (Loss) [Table Text Block]

The before-tax amount, income tax (provision) benefit, and net-of-tax amount related to each component of OCI were as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
	(in thousands)
Before-tax amount
Foreign currency translation adjustment	$	14,169		$	9,128		$	49,755		$	12,856
Foreign currency translation adjustment reclassified into net income	1,089			—			1,089			(1,407		)
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges	57			602			(480		)	(6,039		)
Net hedging loss reclassified into net income	148			279			785			845
Net defined benefit plan gain (loss) reclassified to net income	447			(1,725		)	1,271			(2,520		)
Total other comprehensive income (loss), before tax	15,910			8,284			52,420			3,735
Tax (provision) benefit
Foreign currency translation adjustment	(328		)	56			(451		)	(539		)
Foreign currency translation adjustment reclassified into net income	—			—			—			—
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges	(22		)	(231		)	185			2,330
Net hedging loss reclassified into net income	(57		)	(108		)	(303		)	(326		)
Net defined benefit plan gain (loss) reclassified to net income	(37		)	527			(267		)	713
Total other comprehensive income (loss) tax benefit	(444		)	244			(836		)	2,178
Net-of-tax amount
Foreign currency translation adjustment	13,841			9,184			49,304			12,317
Foreign currency translation adjustment reclassified into net income	1,089			—			1,089			(1,407		)
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges	35			371			(295		)	(3,709		)
Net hedging loss reclassified into net income	91			171			482			519
Net defined benefit plan gain (loss) reclassified to net income	410			(1,198		)	1,004			(1,807		)
Total other comprehensive income (loss), net of tax	$	15,466		$	8,528		$	51,584		$	5,913

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The changes in the components of AOCI, net of tax, were as follows:

	Foreign Currency Translation Adjustments			Net Unrealized Gain (Loss) on Derivative Instruments			Net Unrealized Gain (Loss) on Nonderivative Instruments			Pension Benefit Obligation Adjustments			Total
	(in thousands)
Balances at January 1, 2016	$	(158,009	)	$	318		$	(14,380	)	$	(28,536	)	$	(200,607	)
OCI before reclassifications	12,317			(3,709		)	—			(713		)	7,895
Amounts reclassified from AOCI	(1,407		)	519			—			(1,094		)	(1,982		)
Total other comprehensive income (loss)	10,910			(3,190		)	—			(1,807		)	5,913
Balances at September 30, 2016	$	(147,099	)	$	(2,872	)	$	(14,380	)	$	(30,343	)	$	(194,694	)
Balances at January 1, 2017	$	(182,986	)	$	43		$	(14,380	)	$	(32,004	)	$	(229,327	)
OCI before reclassifications	49,304			(295		)	—			—			49,009
Amounts reclassified from AOCI	1,089			482			—			1,004			2,575
Total other comprehensive income (loss)	50,393			187			—			1,004			51,584
Balances at September 30, 2017	$	(132,593	)	$	230		$	(14,380	)	$	(31,000	)	$	(177,743	)