Defined Benefit Pension Plans Defined Benefit Pension Plans (Tables)

3 Months Ended

Mar. 31, 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:

	March 31, 2014		December 31, 2013
	(in thousands)
Assets
Plan assets in other long-term assets	$	1,482	$	1,426
Liabilities
Current portion of pension plan liability in wages and benefits payable	3,199		3,721
Long-term portion of pension plan liability	89,498		88,687
Net pension plan benefit liability	$	91,215	$	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 March 31,
	2014			2013
	(in thousands)
Service cost	$	948		$	981
Interest cost	893			800
Expected return on plan assets	(157		)	(79		)
Settlements and other	(2		)	(814		)
Amortization of actuarial net loss	123			251
Amortization of unrecognized prior service costs	18			17
Net periodic benefit cost	$	1,823		$	1,156