Defined Benefit Pension Plans Defined Benefit Pension Plans (Tables)

9 Months Ended

Sep. 30, 2014

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

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

Amounts recognized on the Consolidated Balance Sheets consist of:

	September 30, 2014		December 31, 2013
	(in thousands)
Assets
Plan assets in other long-term assets	$	1,433	$	1,426
Liabilities
Current portion of pension plan liability in wages and benefits payable	3,366		3,721
Long-term portion of pension plan liability	82,529		88,687
Net pension plan benefit liability	$	84,462	$	90,982

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

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

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
	(in thousands)
Service cost	$	723		$	1,026		$	2,750		$	3,018
Interest cost	871			791			2,661			2,377
Expected return on plan assets	(158		)	(79		)	(478		)	(237		)
Settlements and other	6			—			33			(814		)
Amortization of actuarial net loss	118			249			363			746
Amortization of unrecognized prior service costs	17			17			53			51
Net periodic benefit cost	$	1,577		$	2,004		$	5,382		$	5,141