Employee Benefits - Fair Value Hierarchy of Plan Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
U.S Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 581,917
U.S Plans [Member] | Level 3 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0
U.S Plans [Member] | Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	581,917	$ 525,964	$ 500,311
U.S Plans [Member] | Pension Plan [Member] | Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	7,138	1,673
U.S Plans [Member] | Pension Plan [Member] | Receivables [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,354	1,324
U.S Plans [Member] | Pension Plan [Member] | Level 1 [Member] | Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S Plans [Member] | Pension Plan [Member] | Level 2 [Member] | Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	7,138	1,673
U.S Plans [Member] | Pension Plan [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0
U.S Plans [Member] | Pension Plan [Member] | Level 3 [Member] | Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S Plans [Member] | Pension Plan [Member] | Government & Government Agency Bonds [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	16,118	11,845
U.S Plans [Member] | Pension Plan [Member] | Government & Government Agency Bonds [Member] | Level 1 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S Plans [Member] | Pension Plan [Member] | Government & Government Agency Bonds [Member] | Level 2 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	16,118	11,845
U.S Plans [Member] | Pension Plan [Member] | Government & Government Agency Bonds [Member] | Level 3 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S Plans [Member] | Pension Plan [Member] | Corporate Bonds [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	100,478	90,843
U.S Plans [Member] | Pension Plan [Member] | Corporate Bonds [Member] | Level 1 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S Plans [Member] | Pension Plan [Member] | Corporate Bonds [Member] | Level 2 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	100,478	90,843
U.S Plans [Member] | Pension Plan [Member] | Corporate Bonds [Member] | Level 3 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S Plans [Member] | Pension Plan [Member] | Municipal Bonds [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	8,982	9,682
U.S Plans [Member] | Pension Plan [Member] | Municipal Bonds [Member] | Level 1 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S Plans [Member] | Pension Plan [Member] | Municipal Bonds [Member] | Level 2 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	8,982	9,682
U.S Plans [Member] | Pension Plan [Member] | Municipal Bonds [Member] | Level 3 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S Plans [Member] | Pension Plan [Member] | Asset-backed Securities [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		64
U.S Plans [Member] | Pension Plan [Member] | Asset-backed Securities [Member] | Level 1 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0
U.S Plans [Member] | Pension Plan [Member] | Asset-backed Securities [Member] | Level 2 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		64
U.S Plans [Member] | Pension Plan [Member] | Asset-backed Securities [Member] | Level 3 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0
U.S Plans [Member] | Pension Plan [Member] | Pooled Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	159,600	187,300
U.S Plans [Member] | Pension Plan [Member] | Pooled Funds [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	447,847	410,533
U.S Plans [Member] | Pension Plan [Member] | Pooled Funds [Member] | Level 1 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S Plans [Member] | Pension Plan [Member] | Pooled Funds [Member] | Level 2 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0
U.S Plans [Member] | Pension Plan [Member] | Pooled Funds [Member] | Level 3 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S Plans [Member] | Pension Plan [Member] | Fair Value Of Plan Assets Before Receivables [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	580,563	524,640
U.S Plans [Member] | Pension Plan [Member] | Fair Value Of Plan Assets Before Receivables [Member] | Level 1 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S Plans [Member] | Pension Plan [Member] | Fair Value Of Plan Assets Before Receivables [Member] | Level 2 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	132,716	114,107
U.S Plans [Member] | Pension Plan [Member] | Fixed Income Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	288,200	223,200
Non-U.S. Plans [Member] | Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	929,810	792,138	$ 790,614
Non-U.S. Plans [Member] | Pension Plan [Member] | Cash [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	33,146	12,726
Non-U.S. Plans [Member] | Pension Plan [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	411,997	346,530
Non-U.S. Plans [Member] | Pension Plan [Member] | Level 1 [Member] | Cash [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	33,146	12,726
Non-U.S. Plans [Member] | Pension Plan [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	445,055	372,827
Non-U.S. Plans [Member] | Pension Plan [Member] | Level 2 [Member] | Cash [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	72,758	72,781
Non-U.S. Plans [Member] | Pension Plan [Member] | Level 3 [Member] | Cash [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Level 3 [Member] | Real Estate [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	39,165	42,042
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Large Cap [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	106,631	89,540
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Large Cap [Member] | Level 1 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	86,921	72,438
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Large Cap [Member] | Level 2 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	19,710	17,102
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Large Cap [Member] | Level 3 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Mid Cap [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	623	504
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Mid Cap [Member] | Level 1 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	623	504
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Mid Cap [Member] | Level 2 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Mid Cap [Member] | Level 3 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Small Cap [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	474	382
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Small Cap [Member] | Level 1 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	474	382
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Small Cap [Member] | Level 2 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Small Cap [Member] | Level 3 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Large Cap [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	102,015	80,048
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Large Cap [Member] | Level 1 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	84,898	69,442
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Large Cap [Member] | Level 2 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	17,117	10,606
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Large Cap [Member] | Level 3 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Mid Cap [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	577	514
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Mid Cap [Member] | Level 1 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	577	514
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Mid Cap [Member] | Level 2 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Mid Cap [Member] | Level 3 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Small Cap [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	422	284
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Small Cap [Member] | Level 1 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	422	284
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Small Cap [Member] | Level 2 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Small Cap [Member] | Level 3 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Emerging Markets [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	45,002
Non-U.S. Plans [Member] | Pension Plan [Member] | Emerging Markets [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		38,389
Non-U.S. Plans [Member] | Pension Plan [Member] | Emerging Markets [Member] | Level 1 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	43,706
Non-U.S. Plans [Member] | Pension Plan [Member] | Emerging Markets [Member] | Level 1 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		37,354
Non-U.S. Plans [Member] | Pension Plan [Member] | Emerging Markets [Member] | Level 2 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,296
Non-U.S. Plans [Member] | Pension Plan [Member] | Emerging Markets [Member] | Level 2 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		1,035
Non-U.S. Plans [Member] | Pension Plan [Member] | Emerging Markets [Member] | Level 3 [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Emerging Markets [Member] | Level 3 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Treasuries/Government Bonds [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	94	75
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Treasuries/Government Bonds [Member] | Level 1 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	94	75
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Treasuries/Government Bonds [Member] | Level 2 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | U.S. Treasuries/Government Bonds [Member] | Level 3 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | U S Corporate Bonds [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	39,647	28,843
Non-U.S. Plans [Member] | Pension Plan [Member] | U S Corporate Bonds [Member] | Level 1 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | U S Corporate Bonds [Member] | Level 2 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	39,647	28,843
Non-U.S. Plans [Member] | Pension Plan [Member] | U S Corporate Bonds [Member] | Level 3 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Treasuries/Government Bonds [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	136,986	179,103
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Treasuries/Government Bonds [Member] | Level 1 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	129,494	121,987
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Treasuries/Government Bonds [Member] | Level 2 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	7,492	57,116
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Treasuries/Government Bonds [Member] | Level 3 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Corporate Bonds [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	154,333	209,432
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Corporate Bonds [Member] | Level 1 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	26,212	26,412
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Corporate Bonds [Member] | Level 2 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	128,121	183,020
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Corporate Bonds [Member] | Level 3 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Other Fixed Income [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,116	1,969
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Other Fixed Income [Member] | Level 1 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,116	1,969
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Other Fixed Income [Member] | Level 2 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Other Fixed Income [Member] | Level 3 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Asset-Backed Securities [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	34,350	27,114
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Asset-Backed Securities [Member] | Level 1 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Asset-Backed Securities [Member] | Level 2 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	34,350	27,114
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Asset-Backed Securities [Member] | Level 3 [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Insurance Contracts [Member] | Alternative Type of Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	147,268	31,333
Non-U.S. Plans [Member] | Pension Plan [Member] | Insurance Contracts [Member] | Level 1 [Member] | Alternative Type of Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Insurance Contracts [Member] | Level 2 [Member] | Alternative Type of Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	146,998	31,087
Non-U.S. Plans [Member] | Pension Plan [Member] | Insurance Contracts [Member] | Level 3 [Member] | Alternative Type of Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	270	246
Non-U.S. Plans [Member] | Pension Plan [Member] | Hedge Funds [Member] | Alternative Type of Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	33,593	30,739
Non-U.S. Plans [Member] | Pension Plan [Member] | Hedge Funds [Member] | Level 1 [Member] | Alternative Type of Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Hedge Funds [Member] | Level 2 [Member] | Alternative Type of Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Hedge Funds [Member] | Level 3 [Member] | Alternative Type of Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	33,593	30,739
Non-U.S. Plans [Member] | Pension Plan [Member] | Other [Member] | Alternative Type of Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	29,133	16,904
Non-U.S. Plans [Member] | Pension Plan [Member] | Other [Member] | Level 1 [Member] | Alternative Type of Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Other [Member] | Level 2 [Member] | Alternative Type of Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	29,133	16,904
Non-U.S. Plans [Member] | Pension Plan [Member] | Other [Member] | Level 3 [Member] | Alternative Type of Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Absolute Return Funds [Member] | Alternative Type of Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	24,505	2,443
Non-U.S. Plans [Member] | Pension Plan [Member] | Absolute Return Funds [Member] | Level 1 [Member] | Alternative Type of Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	3,314	2,443
Non-U.S. Plans [Member] | Pension Plan [Member] | Absolute Return Funds [Member] | Level 2 [Member] | Alternative Type of Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	21,191	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Absolute Return Funds [Member] | Level 3 [Member] | Alternative Type of Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Real Estate [Member] | Real Estate [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	38,895	41,796
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Real Estate [Member] | Level 1 [Member] | Real Estate [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Real Estate [Member] | Level 2 [Member] | Real Estate [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Non-U.S. Plans [Member] | Pension Plan [Member] | Non-U.S. Real Estate [Member] | Level 3 [Member] | Real Estate [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 38,895	$ 41,796