Components of Accumulated Other Comprehensive Loss Reclassifications (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Selling, general and administrative expenses	$ 68,289		$ 124,004		$ 213,052		$ 374,325
Income (loss) from continuing operations before income taxes and equity income	31,946		(220,804)		42,830		(167,534)
Tax benefit	(11,671)		(10,795)		(20,424)		(27,268)
Net income (loss)	25,167		(231,566)		23,747		(195,118)
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	4,503	[1]	5,450	[1]	13,452	[1]	16,532	[1]
Tax benefit	(357)	[1]	(523)	[1]	(1,075)	[1]	(1,637)	[1]
Net income (loss)	4,146	[1]	4,927	[1]	12,377	[1]	14,895	[1]
Amount Reclassified from Accumulated Other Comprehensive Loss | Actuarial losses
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Selling, general and administrative expenses	2,900	[1],[2]	3,052	[1],[2]	8,576	[1],[2]	9,353	[1],[2]
Cost of services and products sold	1,534	[1],[2]	2,275	[1],[2]	4,670	[1],[2]	6,800	[1],[2]
Amount Reclassified from Accumulated Other Comprehensive Loss | Prior service costs
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Selling, general and administrative expenses	24	[1],[2]	62	[1],[2]	70	[1],[2]	192	[1],[2]
Cost of services and products sold	45	[1],[2]	61	[1],[2]	136	[1],[2]	187	[1],[2]
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	(2)	[1]	(9)	[1]	(4)	[1]	(9)	[1]
Tax benefit	0	[1]	(3)	[1]	(1)	[1]	(3)	[1]
Net income (loss)	$ 2	[1]	$ 6	[1]	$ 3	[1]	$ 6	[1]

[1] (c) Amounts in parentheses indicate credits to profit/loss

[2] (d) These accumulated other comprehensive loss components are included in the computation of net periodic pension costs. See Note 8, Employee Benefit Plans, for additional details.