Employee Benefit Plans (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2012 bond	Dec. 31, 2011	Dec. 31, 2010	Sep. 30, 2012
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]
Noncurrent liabilities	$ (385,062,000)	$ (343,842,000)
Global Weighted-Average
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rates	4.70%	5.40%	5.80%
Expected long-term rates of return on plan assets	6.90%	7.50%	7.50%
Rates of compensation increase	3.40%	3.30%	3.60%
Expected long-term rates of return on plan assets for next year (as a percent)	6.80%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rates	4.20%	4.70%
Rates of compensation increase	2.80%	3.40%
U.S. Plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	298,769,000	264,969,000
Service cost	1,887,000	1,557,000
Interest cost	12,780,000	13,468,000
Plan participants' contributions	0	0
Amendments	0	0
Actuarial loss	27,803,000	40,730,000
Settlements/curtailments	(3,029,000)	0
Benefits paid	(21,762,000)	(21,955,000)
Effect of foreign currency	0	0
Other	0	0
Benefit obligation at end of year	316,448,000	298,769,000	264,969,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	209,237,000	221,673,000
Actual return on plan assets	27,429,000	6,464,000
Employer contributions	6,254,000	3,055,000
Plan participants' contributions	0	0
Settlements/curtailments	(3,074,000)	0
Benefits paid	(21,762,000)	(21,955,000)
Effect of foreign currency	0	0
Other	0	0
Fair value of plan assets at end of year	218,084,000	209,237,000	221,673,000
Funded status at end of year	(98,364,000)	(89,532,000)
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]
Noncurrent assets	490,000	397,000
Current liabilities	(2,531,000)	(2,076,000)
Noncurrent liabilities	(96,323,000)	(87,853,000)
Total accumulated other comprehensive loss before tax	159,094,000	149,429,000
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax [Abstract]
Net actuarial loss	158,579,000	148,690,000
Prior service cost	515,000	739,000
Transition obligation	0	0
Total accumulated other comprehensive loss before tax	159,094,000	149,429,000
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year [Abstract]
Net actuarial loss	5,052,000
Prior service cost	143,000
Total	5,195,000
Estimate of expected contributions in next fiscal year				2,800,000
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]
2013	19,700,000
2014	18,700,000
2015	18,500,000
2016	18,800,000
2017	18,500,000
2018-2022	92,700,000
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rates	4.40%	5.30%	5.90%
Expected long-term rates of return on plan assets	7.80%	7.80%	8.00%
Rates of compensation increase	3.00%	3.00%	3.00%
Expected long-term rates of return on plan assets for next year (as a percent)	7.50%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rates	3.80%	4.40%
Rates of compensation increase	3.00%	3.00%
Number of U.S. dollar-denomincated, AA-graded corporate bonds in yield curve universe	650
Highest yield U.S. dollar-denominated, AA-graded corporate bonds excluded from yield curve univers (as a percent)	10.00%
Lowest yield U.S. dollar-denominated, AA-graded corporate bonds excluded from yield curve universe (as a percent)	10.00%
International Plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	968,218,000	883,342,000
Service cost	3,418,000	4,350,000
Interest cost	46,174,000	48,768,000
Plan participants' contributions	830,000	986,000
Amendments	60,000	598,000
Actuarial loss	65,379,000	79,474,000
Settlements/curtailments	(9,506,000)	(1,886,000)
Benefits paid	(44,968,000)	(37,653,000)
Effect of foreign currency	39,181,000	(10,332,000)
Other	(36,000)	571,000
Benefit obligation at end of year	1,068,750,000	968,218,000	883,342,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	714,163,000	708,025,000
Actual return on plan assets	58,194,000	19,488,000
Employer contributions	29,713,000	29,300,000
Plan participants' contributions	830,000	986,000
Settlements/curtailments	(3,885,000)	(1,127,000)
Benefits paid	(44,968,000)	(37,653,000)
Benefits paid	(43,954,000)	(36,631,000)
Effect of foreign currency	27,998,000	(6,449,000)
Other	0	571,000
Fair value of plan assets at end of year	783,059,000	714,163,000	708,025,000
Funded status at end of year	(285,691,000)	(254,055,000)
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]
Noncurrent assets	5,892,000	4,372,000
Current liabilities	(1,048,000)	(1,011,000)
Noncurrent liabilities	(290,535,000)	(257,416,000)
Total accumulated other comprehensive loss before tax	469,949,000	417,406,000
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax [Abstract]
Net actuarial loss	467,438,000	414,203,000
Prior service cost	2,511,000	3,105,000
Transition obligation	0	98,000
Total accumulated other comprehensive loss before tax	469,949,000	417,406,000
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year [Abstract]
Net actuarial loss	17,180,000
Prior service cost	367,000
Total	17,547,000
Estimate of expected contributions in next fiscal year				31,300,000
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]
2013	46,100,000
2014	47,600,000
2015	49,500,000
2016	51,600,000
2017	54,100,000
2018-2022	$ 296,100,000
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rates	4.80%	5.50%	5.70%
Expected long-term rates of return on plan assets	6.70%	7.40%	7.40%
Rates of compensation increase	3.40%	3.30%	3.60%
Expected long-term rates of return on plan assets for next year (as a percent)	6.60%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rates	4.30%	4.80%
Rates of compensation increase	2.80%	3.40%