Benefit Plans and Other Postretirement Benefits (Tables)

12 Months Ended

Dec. 31, 2012

Pension Benefits

	December 31,
	2012			2011
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$	488,609		$	457,321
Service cost	9,175			7,832
Interest cost	22,021			22,684
Plan participants’ contributions	—			—
Plan amendments	271			—
Actuarial loss	66,617			27,642
Foreign exchange translation	4,604			(2,450		)
Benefits paid	(25,939		)	(24,420		)
Projected benefit obligation at end of year	565,358			488,609

Change in plan assets:
Fair value of plan assets at beginning of year	295,054			296,530
Actual return on plan assets	38,022			(2,001		)
Employer contributions	21,830			22,844
Foreign exchange translation	1,982			(2,131		)
Benefits paid	(22,465		)	(20,188		)
Fair value of plan assets at end of year	334,423			295,054

Funded status	$	(230,935	)	$	(193,555	)

	Year Ended December 31,
	2012			2011			2010
Components of net pension expense:
Service cost	$	7,714		$	7,073		$	5,907
Interest cost	22,021			22,684			23,100
Expected return on plan assets	(24,951		)	(25,226		)	(28,016		)
Net amortization of actuarial losses	20,454			14,528			17,051

Net pension expense	$	25,238		$	19,059		$	18,042

	Weighted-average assumptions used to determine benefit obligations at December 31,
	Pension Benefits				Other Benefits
	2012		2011		2012		2011
Discount rate:
U.S. plans	3.75	%	4.45	%	3.45	%	4.25	%
International plans	3.97	%	4.97	%	n/a		n/a
Rate of compensation increase:
U.S. plans	3.00	%	3.00	%	n/a		n/a
International plans	2.57	%	2.83	%	n/a		n/a

	Weighted-average assumptions used to determine net periodic benefit cost for years ended December 31,
	Pension Benefits						Other Benefits
	2012		2011		2010		2012		2011		2010
Discount rate:
U.S. plans	4.45	%	5.20	%	5.75	%	4.25	%	4.85	%	5.40	%
International plans	4.97	%	5.26	%	5.46	%	n/a		n/a		n/a
Expected long-term return on assets:
U.S. plans	8.00	%	8.25	%	8.25	%	n/a		n/a		n/a
International plans	5.66	%	6.30	%	6.63	%	n/a		n/a		n/a
Rate of compensation increase:
U.S. plans	3.00	%	3.00	%	3.00	%	n/a		n/a		n/a
International plans	2.83	%	2.97	%	2.96	%	n/a		n/a		n/a

	Fair Value Measurements at December 31, 2012
Asset Category	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)

Equity securities:
U.S. equities – large cap	$	93,047	$	71,668	$	21,379	$	—
U.S. equities – small/mid cap and other	25,159		—		25,159		—
International equities – growth	42,057		42,057		—		—
International equities – other	47,972		5,276		42,696		—
	208,235		119,001		89,234		—

Fixed income securities:
U.S. fixed income securities – intermediate term	59,983		59,983		—		—
U.S. fixed income securities – high yield	22,409		—		22,409		—
International fixed income securities – other	40,923		—		40,923		—
	123,315		59,983		63,332		—

Cash and cash equivalents	2,873		2,873		—		—
Total	$	334,423	$	181,857	$	152,566	$	—

	Fair Value Measurements at December 31, 2011
Asset Category	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)

Equity securities:
U.S. equities – large cap	$	80,651	$	80,651	$	—	$	—
U.S. equities – small/mid cap and other	22,579		—		22,579		—
International equities – growth	35,878		35,878		—		—
International equities – other	41,371		4,451		36,920		—
	180,479		120,980		59,499		—

Fixed income securities:
U.S. fixed income securities – intermediate term	54,398		54,398		—		—
U.S. fixed income securities – high yield	18,490		—		18,490		—
International fixed income securities – other	38,602		—		38,602		—
	111,490		54,398		57,092		—

Cash and cash equivalents	3,085		3,085		—		—
Total	$	295,054	$	178,463	$	116,591	$	—