Commitments and Contingencies (Details) $ in Thousands, € in Millions				1 Months Ended			3 Months Ended		12 Months Ended	279 Months Ended
	Apr. 02, 2014 EUR (€)	Aug. 01, 2012 USD ($)	Jul. 05, 2011 affiliate	Jan. 31, 2017 USD ($)	Dec. 31, 2016 USD ($) Cases	Oct. 29, 2014 USD ($)	Mar. 31, 2017 USD ($) Defendants Cases	Apr. 01, 2016 USD ($)	Dec. 31, 2016 USD ($) Cases	Mar. 31, 2017 USD ($) Defendants Cases
Loss Contingencies [Line Items]
Litigation settlement, amount				$ (12,000)
Environmental-related accrued liabilities					$ 5,600		$ 4,800		$ 5,600	$ 4,800
Period of being in asbestos litigation							29 years
Non-maritime cases against company | Cases							325			325
Number of cases proceed to verdict | Cases							0			0
Claims settled and dismissed, number | Cases									50,958
Pending claims, number | Cases					325				325
Damages sought, value							$ 430,000
Number of defendants | Defendants							50			50
Punitive damages, value							$ 271,000
Accrual related to maritime and non-maritime cases, gross amount							4,400		$ 4,400
Insurance recoveries related to lawsuits							400		400
Accrual related to maritime and non-maritime cases, net amount					$ 4,000		4,000		4,000	$ 4,000
Aggregate settlement costs					9,800		9,900		9,800	9,900
Settlement costs							100	$ 100
Aggregate litigation expense, amount					27,100		27,400		27,100	27,400
Legal fees							300	300
Income tax expense (benefit)							6,300	2,400
Minimum rental payments required under non-cancelable lease agreement for year 1							15,200			15,200
Minimum rental payments required under non-cancelable lease agreement for year 2							12,800			12,800
Minimum rental payments required under non-cancelable lease agreement for year 3							9,600			9,600
Minimum rental payments required under non-cancelable lease agreement for year 4							6,800			6,800
Minimum rental payments required under non-cancelable lease agreement for year 5							4,500			4,500
Minimum rental payments required under non-cancelable lease agreement thereafter							9,400			9,400
Letters of credit							23,800			23,800
Performance bonds							279,600			279,600
Other guarantees							$ 79,200			$ 79,200
Europe [Member]
Loss Contingencies [Line Items]
Number of affiliates engaged in violations | affiliate			2
Parent [Member]
Loss Contingencies [Line Items]
Number of cases | Cases							2			2
Damages sought, value							$ 20,000
Income tax expense (benefit)							4,400	$ (100)
Silec [Member]
Loss Contingencies [Line Items]
Damages sought, value | €	€ 1.9
Period of participation in underground power cables businesses			10 months
SEC and DOJ [Member]
Loss Contingencies [Line Items]
Accrued liability					82,300		$ 49,400		$ 82,300	$ 49,400
SEC and DOJ [Member] | Investigation Related to Financial Restatements [Member]
Loss Contingencies [Line Items]
Disgorge estimated profits, incremental aggregate amount					$ 82,300
DOJ [Member] | Investigation Related to Financial Restatements [Member]
Loss Contingencies [Line Items]
Penalties				20,500
SEC [Member] | Investigation Related to Financial Restatements [Member]
Loss Contingencies [Line Items]
Penalties				12,400
SEC [Member] | Investigation Related to Financial Restatements [Member] | Within 180 days of Date of Resolution [Member]
Loss Contingencies [Line Items]
Penalties				18,500
SEC [Member] | Investigation Related to Financial Restatements [Member] | Within 360 days of Date of Resolution [Member]
Loss Contingencies [Line Items]
Penalties				$ 30,900
Monetary Damages [Member]
Loss Contingencies [Line Items]
Pending claims, number | Cases							107			107
Number of cases | Cases							169			169
Allege Only Damages [Member]
Loss Contingencies [Line Items]
Number of cases | Cases							60			60
Amount per plaintiff							$ 544			$ 544
Infractions Including Potential Interest and Penalties [Member] | BRAZIL [Member]
Loss Contingencies [Line Items]
Income tax expense (benefit)		$ 8,000
Summons to recover contested incentives						$ 8,000
Infractions Including Potential Interest and Penalties [Member] | BRAZIL [Member] | Minimum [Member]
Loss Contingencies [Line Items]
Range of possible loss							0			0
Infractions Including Potential Interest and Penalties [Member] | BRAZIL [Member] | Maximum [Member]
Loss Contingencies [Line Items]
Range of possible loss							8,000			$ 8,000
Disputed Credits, Including Potential Interest and Penalties [Member] | BRAZIL [Member]
Loss Contingencies [Line Items]
Income tax expense (benefit)							$ 20,000
Asbestos Issue [Member]
Loss Contingencies [Line Items]
New claims filed, number | Cases							19		84
Claims settled and dismissed, number | Cases							4			50,962