Defined Benefit Pension Plans Defined Benefit Pension Plans (Tables)

12 Months Ended

Dec. 31, 2014

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Schedule of Changes in Benefit Obligation and Fair Value of Plan Assets [Table Text Block]

The following tables summarize the benefit obligation, plan assets, funded status of the defined benefit plans, amounts recognized in the Consolidated Balance Sheets and amounts recognized in accumulated other comprehensive income (AOCI) at December 31, 2014 and 2013:

	Year Ended December 31,
	2014			2013
	(in thousands)
Change in benefit obligation:
Benefit obligation at January 1,	$	102,662		$	101,766
Service cost	3,559			4,205
Interest cost	3,476			3,355
Actuarial (gain) loss	25,838			(6,160		)
Benefits paid	(5,519		)	(5,369		)
Foreign currency exchange rate changes	(13,921		)	2,698
Other	83			2,167
Benefit obligation at December 31,	$	116,178		$	102,662
Change in plan assets:
Fair value of plan assets at January 1,	$	11,680		$	8,561
Actual return on plan assets	494			119
Company contributions	375			436
Benefits paid	(433		)	(537		)
Foreign currency exchange rate changes	(1,355		)	(267		)
Other	—			3,368
Fair value of plan assets at December 31,	10,761			11,680
Net pension plan benefit liability at fair value	$	105,417		$	90,982

Schedule of Amounts Recognized in the Consolidated Balance Sheets [Table Text Block]

Amounts recognized on the Consolidated Balance Sheets consist of:

	At December 31,
	2014		2013
	(in thousands)
Assets
Plan assets in other long-term assets	$	567	$	1,426
Liabilities
Current portion of pension plan liability in wages and benefits payable	4,552		3,721
Long-term portion of pension plan liability	101,432		88,687
Net pension plan benefit liability	$	105,417	$	90,982

Schedule of Net Periodic Benefit Cost Not yet Recognized [Table Text Block]

Amounts in accumulated other comprehensive income (pre-tax) that have not yet been recognized as components of net periodic benefit costs consist of:

	At December 31,
	2014		2013
	(in thousands)
Net actuarial loss	$	38,462	$	13,262
Net prior service cost	1,203		1,133
Amount included in accumulated other comprehensive income	$	39,665	$	14,395

Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

Amounts recognized in OCI (pre-tax) are as follows:

	Year Ended December 31,
	2014			2013			2012
	(in thousands)
Net actuarial (gain) loss	$	25,838		$	(5,881	)	$	24,492
Settlement/curtailment loss	(55		)	(325		)	(13		)
Plan asset (gain) loss	129			516			108
Amortization of net actuarial gain (loss)	(572		)	(926		)	(161		)
Amortization of prior service cost	(138		)	(70		)	(68		)
Other	68			(658		)	—
Other comprehensive (income) loss	$	25,270		$	(7,344	)	$	24,358

Schedule of Net Periodic Pension Benefit Costs [Table Text Block]

Net periodic pension benefit costs for our plans include the following components:

	Year Ended December 31,
	2014			2013			2012
	(in thousands)
Service cost	$	3,559		$	4,205		$	2,700
Interest cost	3,476			3,355			3,625
Expected return on plan assets	(619		)	(635		)	(331		)
Amortization of prior service costs	138			70			68
Amortization of actuarial net (gain) loss	572			926			161
Settlements and other	55			(493		)	97
Net periodic benefit cost	$	7,181		$	7,428		$	6,320

Schedule of Assumptions Used [Table Text Block]

The significant actuarial weighted average assumptions used in determining the benefit obligations and net periodic benefit cost for our benefit plans are as follows:

	At and For The Year Ended December 31,
	2014		2013		2012
Actuarial assumptions used to determine benefit obligations at end of period:
Discount rate	2.36	%	3.76	%	3.36	%
Expected annual rate of compensation increase	3.37	%	3.33	%	3.41	%
Actuarial assumptions used to determine net periodic benefit cost for the period:
Discount rate	3.76	%	3.36	%	5.51	%
Expected rate of return on plan assets	5.40	%	3.63	%	4.08	%
Expected annual rate of compensation increase	3.33	%	3.41	%	3.38	%

Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block]

The total obligation and fair value of plan assets for plans with accumulated benefit obligations exceeding the fair value of plan assets are as follows:

	At December 31,
	2014		2013
	(in thousands)
Projected benefit obligation	$	114,150	$	99,694
Accumulated benefit obligation	102,146		90,803
Fair value of plan assets	8,166		7,286

Fair values of the assets held by the postretirement benefits plans by asset category [Table Text Block]

The fair values of our plan investments by asset category as of December 31, 2014, and 2013 are as follows:

	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Unobservable Inputs (Level 3)
	(in thousands)
2014
Cash	$	726	$	726	$	—
Insurance funds	7,440		—		7,440
Other securities	2,595		—		2,595
Total fair value of plan assets	$	10,761	$	726	$	10,035
2013
Cash	$	846	$	846	$	—
Insurance funds	8,260		—		8,260
Other securities	$	2,574	$	—	$	2,574
Total fair value of plan assets	$	11,680	$	846	$	10,834

Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block]

The following tables present a reconciliation of Level 3 assets held during the years ended December 31, 2014 and 2013.

	Balance at January 1, 2014		Net Realized and Unrealized Gains/(Losses)		Net Purchases, Issuances, Settlements, and Other			Net Transfers Into/(Out of) Level 3		Effect of Foreign Currency			Balance at December 31, 2014
	(in thousands)
Insurance funds	$	8,260	$	133	$	25		$	—	$	(978	)	$	7,440
Other securities	2,574		320		(106		)	172		(365		)	2,595
Total	$	10,834	$	453	$	(81	)	$	172	$	(1,343	)	$	10,035

	Balance at January 1, 2013		Net Realized and Unrealized Gains/(Losses)			Net Purchases, Issuances, Settlements, and Other		Net Transfers Into/(Out of) Level 3		Effect of Foreign Currency			Balance at December 31, 2013
	(in thousands)
Insurance funds	$	7,658	$	178		$	105	$	—	$	319		$	8,260
Other securities	—		(70		)	3,050		—		(406		)	2,574
Total	$	7,658	$	108		$	3,155	$	—	$	(87	)	$	10,834

Schedule of Expected Benefit Payments [Table Text Block]

Annual benefit payments, including amounts to be paid from our assets for unfunded plans, and reflecting expected future service, as appropriate, are expected to be paid as follows:

Year Ending December 31,	Estimated Annual Benefit Payments
	(in thousands)
2015	$	4,603
2016	3,285
2017	3,754
2018	3,960
2019	4,122
2020 - 2024	27,180