Components of Accumulated Other Comprehensive Loss Reclassifications (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Selling, general and administrative expenses	$ 124,004	$ 121,856	$ 374,325	$ 376,653
Income (loss) from continuing operations before income taxes and equity income	(220,804)	40,235	(167,534)	39,311
Tax benefit	10,795	13,545	27,268	28,489
Net income (loss)	(231,566)	27,068	(195,118)	10,769
Amount Reclassified from Accumulated Other Comprehensive Loss | Cumulative Unrecognized Actuarial Losses on Pension Obligations
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) from continuing operations before income taxes and equity income	5,450		16,532
Tax benefit	(523)		(1,637)
Net income (loss)	4,927		14,895
Amount Reclassified from Accumulated Other Comprehensive Loss | Actuarial losses
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Selling, general and administrative expenses	3,052		9,353
Cost of services and products sold	2,275		6,800
Amount Reclassified from Accumulated Other Comprehensive Loss | Prior service costs
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Selling, general and administrative expenses	62		192
Cost of services and products sold	61		187
Amount Reclassified from Accumulated Other Comprehensive Loss | Effective Portion of Deriviatives Designated as Hedging Instruments
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Cost of services and products sold	9		9
Tax benefit	(3)		(3)
Net income (loss)	$ 6		$ 6