Benefit Plans and Other Postretirement Benefits (Tables)

12 Months Ended

Dec. 31, 2013

Pension Benefits

	December 31,
	2013			2012
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$	565,358		$	488,609
Service cost	10,454			9,175
Interest cost	20,899			22,021
Acquisitions	16,371			—
Plan amendments	5,639			271
Actuarial (gain) loss	(33,700		)	66,617
Foreign exchange translation	2,609			4,604
Benefits paid	(27,560		)	(25,939		)
Projected benefit obligation at end of year	560,070			565,358

Change in plan assets:
Fair value of plan assets at beginning of year	334,423			295,054
Actual return on plan assets	50,694			38,022
Employer contributions	23,338			21,830
Acquisitions	12,266			—
Foreign exchange translation	(623		)	1,982
Benefits paid	(27,560		)	(22,465		)
Fair value of plan assets at end of year	392,538			334,423

Funded status	$	(167,532	)	$	(230,935	)

	Year Ended December 31,
	2013			2012			2011
Components of net pension expense:
Service cost	$	8,502		$	7,714		$	7,073
Interest cost	20,899			22,021			22,684
Expected return on plan assets	(24,828		)	(24,951		)	(25,226		)
Net amortization of actuarial losses	25,500			20,454			14,528

Net pension expense	$	30,073		$	25,238		$	19,059

	Weighted-average assumptions used to determine benefit obligations at December 31,
	Pension Benefits				Other Benefits
	2013		2012		2013		2012
Discount rate:
U.S. plans	4.60	%	3.75	%	4.15	%	3.45	%
International plans	4.09	%	3.97	%	n/a		n/a
Rate of compensation increase:
U.S. plans	3.00	%	3.00	%	n/a		n/a
International plans	2.95	%	2.57	%	n/a		n/a

	Weighted-average assumptions used to determine net periodic benefit cost for years ended December 31,
	Pension Benefits						Other Benefits
	2013		2012		2011		2013		2012		2011
Discount rate:
U.S. plans	3.75	%	4.45	%	5.20	%	3.45	%	4.25	%	4.85	%
International plans	3.97	%	4.97	%	5.26	%	n/a		n/a		n/a
Expected long-term return on assets:
U.S. plans	8.00	%	8.00	%	8.25	%	n/a		n/a		n/a
International plans	5.50	%	5.66	%	6.30	%	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	2.57	%	2.83	%	2.97	%	n/a		n/a		n/a

	Fair Value Measurements at December 31, 2013
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	$	122,127	$	93,053	$	29,074	$	—
U.S. equities — small/mid cap and other	24,738		1,617		23,121		—
International equities — growth	51,756		51,756		—		—
International equities — other	56,347		8,131		48,216		—
	254,968		154,557		100,411

Fixed income securities:
U.S. fixed income securities — intermediate term	62,182		62,182		—		—
U.S. fixed income securities — high yield	24,451		320		24,131		—
International fixed income securities — other	39,738				39,738		—
	126,371		62,502		63,869		—

Cash and cash equivalents	11,199		11,199		—		—
Total	$	392,538	$	228,258	$	164,280	$

	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	$	—