CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME/(LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME/(LOSS) [Abstract]
Net (loss)/income	$ (33,745)	$ 8,762	$ 13,296	$ 25,495
Other comprehensive income/(loss), before tax:
Foreign currency translation adjustments	(20,540)	13,831	(7,222)	39,743
Pension settlement	110,197		118,350
Pension plan remeasurement	(24,617)		(24,617)
Amortization of pension liability adjustment
Transition obligation	18	22	37	44
Prior service cost/(credit)	(909)	(907)	(1,817)	(1,815)
Net actuarial loss	1,870	2,175	4,447	4,350
Derivative valuation adjustment	(318)	(2,176)	(664)	(1,516)
Income taxes related to items of other comprehensive (loss)/income:
Pension settlement	(37,002)		(39,146)
Pension plan remeasurement	7,270		7,270
Amortization of pension liability adjustment	(304)	(399)	(827)	(799)
Derivative valuation adjustment	124	848	259	591
Other comprehensive income, net of tax	35,789	13,394	56,070	40,598
Comprehensive income/(loss)	$ 2,044	$ 22,156	$ 69,366	$ 66,093