Defined Benefit Pension Plans Defined Benefit Pension Plans (Tables)

12 Months Ended

Dec. 31, 2012

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 at December 31, 2012 and 2011.

	Year Ended December 31,
	2012			2011
	(in thousands)
Change in benefit obligation:
Benefit obligation at January 1,	$	72,601		$	71,388
Service cost	2,700			2,512
Interest cost	3,625			3,754
Actuarial (gain) loss	24,492			(597		)
Benefits paid	(4,131		)	(4,898		)
Foreign currency exchange rate changes	2,395			(1,338		)
Other	84			1,780
Benefit obligation at December 31,	$	101,766		$	72,601
Change in plan assets:
Fair value of plan assets at January 1,	$	7,980		$	7,694
Actual return on plan assets	225			427
Company contributions	440			520
Benefits paid	(227		)	(516		)
Foreign currency exchange rate changes	143			(145		)
Fair value of plan assets at December 31,	8,561			7,980
Ending balance at fair value (net pension plan benefit liability)	$	93,205		$	64,621

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

Amounts recognized on the Consolidated Balance Sheets consist of:

	At December 31,
	2012		2011
	(in thousands)
Assets
Plan assets in other long-term assets	$	227	$	449
Liabilities
Current portion of pension plan liability in wages and benefits payable	2,899		2,621
Long-term portion of pension plan liability	90,533		62,449
Net pension plan benefit liability	$	93,205	$	64,621

Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized over Next Fiscal Year [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,
	2012		2011
	(in thousands)
Net actuarial (gain) loss	$	20,676	$	(3,750	)
Net prior service cost	1,063		1,131
Amount included in accumulated other comprehensive income	$	21,739	$	(2,619	)

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,
	2012			2011			2010
	(in thousands)
Net actuarial (gain) loss	$	24,492		$	(597	)	$	1,710
Settlement gain (loss)	(13		)	(25		)	80
Plan asset (gain) loss	108			(105		)	85
Amortization of net actuarial gain (loss)	(161		)	85			(26		)
Amortization of prior service cost	(68		)	(74		)	(3		)
Other	—			(1		)	1,228
Other comprehensive (income) loss	$	24,358		$	(717	)	$	3,074

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,
	2012			2011			2010
	(in thousands)
Service cost	$	2,700		$	2,512		$	1,980
Interest cost	3,625			3,754			3,490
Expected return on plan assets	(331		)	(322		)	(295		)
Amortization of unrecognized prior service costs	68			74			3
Amortization of actuarial net (gain) loss	161			(85		)	26
Settlements and Other	97			25			(80		)
Net periodic benefit cost	$	6,320		$	5,958		$	5,124

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,
	2012		2011		2010
Actuarial assumptions used to determine benefit obligations at end of period:
Discount rate	3.36	%	5.51	%	5.35	%
Expected annual rate of compensation increase	3.41	%	3.38	%	3.35	%
Actuarial assumptions used to determine net periodic benefit cost for the period:
Discount rate	5.51	%	5.35	%	5.60	%
Expected rate of return on plan assets	4.08	%	4.00	%	3.96	%
Expected annual rate of compensation increase	3.38	%	3.35	%	3.24	%

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,
	2012		2011
	(in thousands)
Projected benefit obligation	$	100,357	$	66,525
Accumulated benefit obligation	89,687		60,452
Fair value of plan assets	6,925		1,765

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, 2012, and 2011 are as follows:

	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Unobservable Inputs (Level 3)
	(in thousands)
2012
Cash	$	903	$	903	$	—
Insurance funds	7,658		—		7,658
Total fair value of plan assets	$	8,561	$	903	$	7,658
2011
Cash	$	860	$	860	$	—
Insurance funds	7,120		—		7,120
Total fair value of plan assets	$	7,980	$	860	$	7,120

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)
2013	$	3,469
2014	3,895
2015	4,162
2016	4,619
2017	4,259
2018 - 2022	25,894