Employee Benefit Plans - Obligations and Funded Status (Details)	12 Months Ended
	Dec. 31, 2016 USD ($) Employees Participants	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan expense	$ 34,665,000	$ 32,281,000	$ 34,263,000
Number of participants covered by post retirement benefit plans | Participants	445
Number of participants eligible for medical benefits | Participants	421
Number of employees covered in multiemployer pension plans | Employees	100
Contributions to multiemployer plans	$ 2,000,000	2,000,000	2,000,000
Change in Fair Value of Plan Assets [Roll Forward]
Company contributions	(25,691,000)	(21,942,000)	(24,232,000)
Assets and Liabilities [Abstract]
Other liabilities (deferred compensation)	(196,268,000)	(195,095,000)
Accumulated Other Comprehensive Loss (Earnings) [Abstract]
Total Accumulated Other Comprehensive Loss (Earnings), net of tax	121,925,000	123,301,000
Accumulated benefit obligation	845,896,000	846,640,000
Net periodic benefit cost [Abstract]
Total net periodic benefit cost	26,492,000	34,253,000	34,627,000
Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract]
Projected benefit obligation (PBO)	346,710,000	333,994,000
Accumulated benefit obligation (ABO)	325,969,000	311,300,000
Fair value of plan assets	140,589,000	120,069,000
U.S. Pension Plan, Defined Benefit [Member]
Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	527,667,000	575,576,000
Service cost	13,913,000	15,661,000	13,801,000
Interest cost	23,046,000	23,163,000	25,204,000
Plan participants' contributions	0	0
Benefits paid	(32,341,000)	(51,126,000)
Actuarial loss (gain)	2,980,000	(33,199,000)
Business (dispositions) acquisitions	0	0
Amendments	0	0
Settlements and curtailments	0	(2,942,000)
Currency translation and other	34,000	534,000
Benefit obligation at end of year	535,299,000	527,667,000	575,576,000
Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	552,817,000	601,376,000
Actual return on plan assets	42,088,000	2,567,000
Company contributions	0	0
Plan participants' contributions	0	0
Benefits paid	(32,341,000)	(51,126,000)
Business (dispositions) acquisitions	0	0
Settlements and curtailments	0	0
Currency translation	0	0
Fair value of plan assets at end of year	562,564,000	552,817,000	601,376,000
Defined Benefit Plan, Funded Status of Plan [Abstract]
Funded status	27,265,000	25,150,000
Assets and Liabilities [Abstract]
Other assets and deferred charges	27,265,000	25,150,000
Accrued compensation and employee benefits	0	0
Other liabilities (deferred compensation)	0	0
Total Assets and Liabilities	27,265,000	25,150,000
Accumulated Other Comprehensive Loss (Earnings) [Abstract]
Net actuarial losses (gains)	103,410,000	110,163,000
Prior service cost (credit)	1,482,000	2,215,000
Net asset at transition, other	0	0
Deferred taxes	(36,712,000)	(39,333,000)
Total Accumulated Other Comprehensive Loss (Earnings), net of tax	68,180,000	73,045,000
Net amount recognized on the balance sheet	95,445,000	98,195,000
Accumulated benefit obligation	512,707,000	498,899,000
Net periodic benefit cost [Abstract]
Service cost	13,913,000	15,661,000	13,801,000
Interest cost	23,046,000	23,163,000	25,204,000
Expected return on plan assets	(38,793,000)	(41,571,000)	(41,594,000)
Amortization of prior service costs (income)	733,000	897,000	1,083,000
Amortization of actuarial (gains) losses	6,437,000	12,620,000	8,289,000
Amortization of transition obligation	0	0	0
Settlement & curtailment (gain) loss	0	810,000	10,279,000
Defined Benefit Plan, Other Costs	35,000	0	0
Total net periodic benefit cost	5,371,000	11,580,000	17,062,000
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year [Abstract]
Prior service cost (credit)	427,000
Recognized actuarial loss (gain)	5,582,000
Transition obligation	0
Amounts that will be amortized from accumulated other comprehensive earnings (loss) in next fiscal year	6,009,000
Non-U.S. Pension Plans, Defined Benefit [Member]
Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	245,986,000	265,023,000
Service cost	5,590,000	6,613,000	6,027,000
Interest cost	5,593,000	5,885,000	8,222,000
Plan participants' contributions	1,223,000	1,555,000
Benefits paid	(7,870,000)	(8,399,000)
Actuarial loss (gain)	22,909,000	(5,018,000)
Business (dispositions) acquisitions	(4,420,000)	(106,000)
Amendments	0	(5,063,000)
Settlements and curtailments	(3,262,000)	(2,753,000)
Currency translation and other	(22,266,000)	(11,751,000)
Benefit obligation at end of year	243,483,000	245,986,000	265,023,000
Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	159,436,000	163,510,000
Actual return on plan assets	10,317,000	2,369,000
Company contributions	8,383,000	8,366,000
Plan participants' contributions	1,223,000	1,555,000
Benefits paid	(7,870,000)	(8,399,000)
Business (dispositions) acquisitions	(3,967,000)	0
Settlements and curtailments	(3,262,000)	(2,753,000)
Currency translation	(15,746,000)	(5,212,000)
Fair value of plan assets at end of year	148,514,000	159,436,000	163,510,000
Defined Benefit Plan, Funded Status of Plan [Abstract]
Funded status	(94,969,000)	(86,550,000)
Assets and Liabilities [Abstract]
Other assets and deferred charges	706,000	2,064,000
Accrued compensation and employee benefits	(1,235,000)	(1,433,000)
Other liabilities (deferred compensation)	(94,440,000)	(87,181,000)
Total Assets and Liabilities	(94,969,000)	(86,550,000)
Accumulated Other Comprehensive Loss (Earnings) [Abstract]
Net actuarial losses (gains)	73,023,000	59,953,000
Prior service cost (credit)	(3,925,000)	(4,095,000)
Net asset at transition, other	(56,000)	(52,000)
Deferred taxes	(15,719,000)	(13,569,000)
Total Accumulated Other Comprehensive Loss (Earnings), net of tax	53,323,000	42,237,000
Net amount recognized on the balance sheet	(41,646,000)	(44,313,000)
Accumulated benefit obligation	231,903,000	232,924,000
Net periodic benefit cost [Abstract]
Service cost	5,590,000	6,613,000	6,027,000
Interest cost	5,593,000	5,885,000	8,222,000
Expected return on plan assets	(7,830,000)	(7,990,000)	(8,498,000)
Amortization of prior service costs (income)	(397,000)	89,000	107,000
Amortization of actuarial (gains) losses	2,658,000	2,647,000	903,000
Amortization of transition obligation	4,000	4,000	4,000
Settlement & curtailment (gain) loss	1,103,000	(184,000)	(45,000)
Defined Benefit Plan, Other Costs	0	0	6,000
Total net periodic benefit cost	6,721,000	7,064,000	6,726,000
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year [Abstract]
Prior service cost (credit)	(408,000)
Recognized actuarial loss (gain)	3,303,000
Transition obligation	4,000
Amounts that will be amortized from accumulated other comprehensive earnings (loss) in next fiscal year	2,899,000
Supplemental Employee Retirement Plans, Defined Benefit [Member]
Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	125,311,000	137,999,000
Service cost	2,959,000	3,739,000	3,320,000
Interest cost	5,268,000	5,063,000	6,148,000
Plan participants' contributions	0	0
Benefits paid	(16,643,000)	(12,845,000)
Actuarial loss (gain)	(6,449,000)	(8,645,000)
Business (dispositions) acquisitions	0	0
Amendments	0	0
Settlements and curtailments	0	0
Currency translation and other	0	0
Benefit obligation at end of year	110,446,000	125,311,000	137,999,000
Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	0	0
Actual return on plan assets	0	0
Company contributions	16,643,000	12,845,000
Plan participants' contributions	0	0
Benefits paid	(16,643,000)	(12,845,000)
Business (dispositions) acquisitions	0	0
Settlements and curtailments	0	0
Currency translation	0	0
Fair value of plan assets at end of year	0	0	0
Defined Benefit Plan, Funded Status of Plan [Abstract]
Funded status	(110,446,000)	(125,311,000)
Assets and Liabilities [Abstract]
Other assets and deferred charges	0	0
Accrued compensation and employee benefits	(20,032,000)	(27,361,000)
Other liabilities (deferred compensation)	(90,414,000)	(97,950,000)
Total Assets and Liabilities	(110,446,000)	(125,311,000)
Accumulated Other Comprehensive Loss (Earnings) [Abstract]
Net actuarial losses (gains)	(15,565,000)	(9,678,000)
Prior service cost (credit)	18,187,000	24,454,000
Net asset at transition, other	0	0
Deferred taxes	(920,000)	(5,173,000)
Total Accumulated Other Comprehensive Loss (Earnings), net of tax	1,702,000	9,603,000
Net amount recognized on the balance sheet	(108,744,000)	(115,708,000)
Accumulated benefit obligation	101,286,000	114,817,000
Net periodic benefit cost [Abstract]
Service cost	2,959,000	3,739,000	3,320,000
Interest cost	5,268,000	5,063,000	6,148,000
Expected return on plan assets	0	0	0
Amortization of prior service costs (income)	6,266,000	6,927,000	7,775,000
Amortization of actuarial (gains) losses	(560,000)	286,000	(428,000)
Amortization of transition obligation	0	0	0
Settlement & curtailment (gain) loss	0	0	0
Defined Benefit Plan, Other Costs	0	0	0
Total net periodic benefit cost	13,933,000	16,015,000	16,815,000
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year [Abstract]
Prior service cost (credit)	4,411,000
Recognized actuarial loss (gain)	(1,192,000)
Transition obligation	0
Amounts that will be amortized from accumulated other comprehensive earnings (loss) in next fiscal year	3,219,000
Other Postretirement Benefit Plans, Defined Benefit [Member]
Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	10,885,000	13,943,000
Service cost	52,000	163,000	249,000
Interest cost	403,000	512,000	627,000
Plan participants' contributions	102,000	417,000
Benefits paid	(767,000)	(1,148,000)
Actuarial loss (gain)	(2,343,000)	(785,000)
Business (dispositions) acquisitions	4,367,000	0
Amendments	0	(1,049,000)
Settlements and curtailments	0	(1,168,000)
Currency translation and other	(436,000)	0
Benefit obligation at end of year	12,263,000	10,885,000	13,943,000
Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	0	0
Actual return on plan assets	0	0
Company contributions	665,000	731,000
Plan participants' contributions	102,000	417,000
Benefits paid	(767,000)	(1,148,000)
Business (dispositions) acquisitions	0	0
Settlements and curtailments	0	0
Currency translation	0	0
Fair value of plan assets at end of year	0	0	0
Defined Benefit Plan, Funded Status of Plan [Abstract]
Funded status	(12,263,000)	(10,885,000)
Assets and Liabilities [Abstract]
Other assets and deferred charges	0	0
Accrued compensation and employee benefits	(849,000)	(921,000)
Other liabilities (deferred compensation)	(11,414,000)	(9,964,000)
Total Assets and Liabilities	(12,263,000)	(10,885,000)
Accumulated Other Comprehensive Loss (Earnings) [Abstract]
Net actuarial losses (gains)	(1,921,000)	(1,347,000)
Prior service cost (credit)	43,000	(999,000)
Net asset at transition, other	0	0
Deferred taxes	598,000	762,000
Total Accumulated Other Comprehensive Loss (Earnings), net of tax	(1,280,000)	(1,584,000)
Net amount recognized on the balance sheet	(13,543,000)	(12,469,000)
Net periodic benefit cost [Abstract]
Service cost	52,000	163,000	249,000
Interest cost	403,000	512,000	627,000
Amortization of prior service costs (income)	7,000	(372,000)	(409,000)
Amortization of actuarial (gains) losses	5,000	(30,000)	54,000
Other pension costs	0	(679,000)	233,000
Total net periodic benefit cost	467,000	$ (406,000)	754,000
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year [Abstract]
Prior service cost (credit)	7,000
Recognized actuarial loss (gain)	(161,000)
Transition obligation	0
Amounts that will be amortized from accumulated other comprehensive earnings (loss) in next fiscal year	$ (154,000)
Knowles [Member]
Change in Fair Value of Plan Assets [Roll Forward]
Settlements and curtailments			(49,338,000)
Net periodic benefit cost [Abstract]
Total net periodic benefit cost			55,000
Discontinued Operations [Member]
Net periodic benefit cost [Abstract]
Settlement & curtailment (gain) loss			6,675,000
Continuing Operations [Member]
Net periodic benefit cost [Abstract]
Settlement & curtailment (gain) loss			$ 3,604,000