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

3 Months Ended

Mar. 31, 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 March 31,
	2017			2016
	(in thousands)
Before-tax amount
Foreign currency translation adjustment	$	15,066		$	10,458
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges	97			(4,513		)
Net hedging loss reclassified into net income	378			286
Net unrealized gain (loss) on defined benefit plans	—			(113		)
Net defined benefit plan gain (loss) reclassified to net income	406			(342		)
Total other comprehensive income (loss), before tax	15,947			5,776
Tax (provision) benefit
Foreign currency translation adjustment	(50		)	(352		)
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges	(37		)	1,731
Net hedging loss reclassified into net income	(146		)	(110		)
Net unrealized gain (loss) on defined benefit plans	—			34
Net defined benefit plan gain (loss) reclassified to net income	(5		)	103
Total other comprehensive income (loss) tax benefit	(238		)	1,406
Net-of-tax amount
Foreign currency translation adjustment	15,016			10,106
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges	60			(2,782		)
Net hedging loss reclassified into net income	232			176
Net unrealized gain (loss) on defined benefit plans	—			(79		)
Net defined benefit plan gain (loss) reclassified to net income	401			(239		)
Total other comprehensive income (loss), net of tax	$	15,709		$	7,182

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	10,106			(2,782		)	—			(79		)	7,245
Amounts reclassified from AOCI	—			176			—			(239		)	(63		)
Total other comprehensive income (loss)	10,106			(2,606		)	—			(318		)	7,182
Balances at March 31, 2016	$	(147,903	)	$	(2,288	)	$	(14,380	)	$	(28,854	)	$	(193,425	)
Balances at January 1, 2017	$	(182,986	)	$	43		$	(14,380	)	$	(32,004	)	$	(229,327	)
OCI before reclassifications	15,016			60			—			—			15,076
Amounts reclassified from AOCI	—			232			—			401			633
Total other comprehensive income (loss)	15,016			292			—			401			15,709
Balances at March 31, 2017	$	(167,970	)	$	335		$	(14,380	)	$	(31,603	)	$	(213,618	)