Commitments and Contingencies (Details) $ in Thousands, € in Millions				1 Months Ended				3 Months Ended		6 Months Ended		12 Months Ended	282 Months Ended
	Apr. 02, 2014 EUR (€)	Aug. 01, 2012 USD ($)	Jul. 05, 2011 affiliate	Jun. 30, 2017 USD ($) Defendants Cases	Jan. 31, 2017 USD ($)	Dec. 31, 2016 USD ($) Cases	Oct. 29, 2014 USD ($)	Jun. 30, 2017 USD ($) Defendants Cases	Jul. 01, 2016 USD ($)	Jun. 30, 2017 USD ($) Defendants Cases	Jul. 01, 2016 USD ($)	Dec. 31, 2016 USD ($) Cases	Jun. 30, 2017 USD ($) Defendants Cases
Loss Contingencies [Line Items]
Environmental-related accrued liabilities				$ 4,600		$ 5,600		$ 4,600		$ 4,600		$ 5,600	$ 4,600
Period of being in asbestos litigation										29 years
Non-maritime cases against company | Cases				309				309		309			309
Number of cases proceed to verdict | Cases				0				0		0			0
Claims settled and dismissed, number | Cases												50,958
Pending claims, number | Cases						309						309
Damages sought, value										$ 429,000
Number of defendants | Defendants				50				50		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		4,000	$ 4,000
Aggregate settlement costs				10,200		9,800		10,200		10,200		9,800	10,200
Settlement costs										400	$ 100
Aggregate litigation expense, amount				27,800		27,100		27,800		27,800		27,100	27,800
Legal fees										700	600
Income tax expense (benefit)								19,200	$ 11,000	25,500	13,400
Minimum rental payments required under non-cancelable lease agreement for year 1				16,200				16,200		16,200			16,200
Minimum rental payments required under non-cancelable lease agreement for year 2				13,500				13,500		13,500			13,500
Minimum rental payments required under non-cancelable lease agreement for year 3				10,600				10,600		10,600			10,600
Minimum rental payments required under non-cancelable lease agreement for year 4				7,900				7,900		7,900			7,900
Minimum rental payments required under non-cancelable lease agreement for year 5				5,700				5,700		5,700			5,700
Minimum rental payments required under non-cancelable lease agreement thereafter				9,800				9,800		9,800			9,800
Letters of credit				27,200				27,200		27,200			27,200
Performance bonds				223,200				223,200		223,200			223,200
Other guarantees				$ 127,300				$ 127,300		$ 127,300			$ 127,300
Europe
Loss Contingencies [Line Items]
Number of affiliates engaged in violations | affiliate			2
Parent
Loss Contingencies [Line Items]
Number of cases | Cases				2				2		2			2
Damages sought, value										$ 20,000
Income tax expense (benefit)								$ 7,800	$ 1,100	12,200	$ 1,000
Silec
Loss Contingencies [Line Items]
Damages sought, value | €	€ 1.9
Period of participation in underground power cables businesses			10 months
SEC and DOJ
Loss Contingencies [Line Items]
Accrued liability				$ 30,900		82,300		$ 30,900		$ 30,900		$ 82,300	$ 30,900
SEC and DOJ | Investigation Related to Financial Restatements
Loss Contingencies [Line Items]
Disgorge estimated profits, incremental aggregate amount						$ 82,300
DOJ | Investigation Related to Financial Restatements
Loss Contingencies [Line Items]
Penalties					$ 20,500
SEC | Investigation Related to Financial Restatements
Loss Contingencies [Line Items]
Penalties				$ 18,500	12,400
SEC | Investigation Related to Financial Restatements | Within 360 days of Date of Resolution
Loss Contingencies [Line Items]
Penalties					$ 30,900
Monetary Damages
Loss Contingencies [Line Items]
Pending claims, number | Cases				106				106		106			106
Number of cases | Cases				162				162		162			162
Allege Only Damages
Loss Contingencies [Line Items]
Number of cases | Cases				54				54		54			54
Amount per plaintiff				$ 599				$ 599		$ 599			$ 599
Infractions Including Potential Interest and Penalties | Brazil
Loss Contingencies [Line Items]
Income tax expense (benefit)		$ 8,000
Summons to recover contested incentives							$ 8,000
Infractions Including Potential Interest and Penalties | Brazil | Minimum
Loss Contingencies [Line Items]
Range of possible loss				0				0		0			0
Infractions Including Potential Interest and Penalties | Brazil | Maximum
Loss Contingencies [Line Items]
Range of possible loss				$ 8,000				$ 8,000		8,000			$ 8,000
Disputed Credits, Including Potential Interest and Penalties | Brazil
Loss Contingencies [Line Items]
Income tax expense (benefit)										$ 20,000
Asbestos Issue
Loss Contingencies [Line Items]
New claims filed, number | Cases										29		84
Claims settled and dismissed, number | Cases										28			50,986