Commitments and Contingencies (Details) $ in Thousands, € in Millions					1 Months Ended				3 Months Ended		6 Months Ended		12 Months Ended	270 Months Ended
	Mar. 24, 2016 USD ($)	Apr. 02, 2014 EUR (€)	Aug. 01, 2012 USD ($)	Jul. 05, 2011 affiliate	Oct. 31, 2015 USD ($)	Apr. 30, 2015 USD ($)	Oct. 29, 2014 USD ($)	Dec. 04, 2013 Cases	Jul. 01, 2016 USD ($) Defendants Cases	Jul. 03, 2015 USD ($)	Jul. 01, 2016 USD ($) Defendants Cases	Jul. 03, 2015 USD ($)	Dec. 31, 2015 USD ($) Cases	Jul. 01, 2016 USD ($) Defendants Cases
Loss Contingencies [Line Items]
Environmental-related accrued liabilities									$ 4,600		$ 4,600		$ 3,600	$ 4,600
Period of being in asbestos litigation											28 years
Non-maritime cases against company | Cases									316		316			316
Number of cases proceed to verdict | Cases									0		0			0
Claims settled and dismissed, number | Cases													50,875
Pending claims, number | Cases													316
Damages sought, value											$ 440,000
Punitive damages, value											$ 280,000
Number of defendants | Defendants									50		50			50
Accrual related to maritime and non-maritime cases, gross amount											$ 4,300		$ 4,100
Insurance recoveries related to lawsuits											400
Accrual related to maritime and non-maritime cases, net amount									$ 3,900		3,900		3,700	$ 3,900
Aggregate settlement costs									9,800		9,800		9,700	9,800
Settlement costs											100
Aggregate litigation expense, amount									26,700		26,700		26,100	26,700
Legal fees											600	$ 700
Foreign Corrupt Practices Act (FCPA) accrual									33,000		33,000		28,000	33,000
Foreign Corrupt Practices Act (FCPA) charges											5,000
Minimum rental payments required under non-cancelable lease agreement for year 1									15,300		15,300			15,300
Minimum rental payments required under non-cancelable lease agreement for year 2									8,000		8,000			8,000
Minimum rental payments required under non-cancelable lease agreement for year 3									6,100		6,100			6,100
Minimum rental payments required under non-cancelable lease agreement for year 4									4,500		4,500			4,500
Minimum rental payments required under non-cancelable lease agreement for year 5									3,800		3,800			3,800
Minimum rental payments required under non-cancelable lease agreement thereafter									5,000		5,000			5,000
Letters of credit									27,900		27,900			27,900
Performance bonds									233,700		233,700			233,700
Other guarantees									100,400		100,400			100,400
Income tax expense (benefit)									11,400	$ (5,500)	12,200	(4,100)
Revolving Credit Facility [Member]
Loss Contingencies [Line Items]
Letters of credit									25,200		25,200		$ 36,700	25,200
ICC Tribunal [Member]
Loss Contingencies [Line Items]
Damages sought, value	$ 15,700
Prejudgment interest	3,500
Fully insured amount	$ 19,200
Accrual from loss contingencies									19,200		19,200			19,200
Assets [Member] | ICC Tribunal [Member]
Loss Contingencies [Line Items]
Loss contingency, receivable									$ 19,200		$ 19,200			$ 19,200
Parent Company [Member]
Loss Contingencies [Line Items]
Number of cases | Cases									1		1			1
Damages sought, value											$ 4,000
Income tax expense (benefit)									$ 1,100	$ 200	$ 1,000	$ 800
Silec [Member]
Loss Contingencies [Line Items]
Damages sought, value | €		€ 1.9
Period of participation in underground power cables businesses				10 months
Monetary Damages [Member]
Loss Contingencies [Line Items]
Pending claims, number | Cases									109		109			109
Number of cases | Cases									165		165			165
Allege Only Damages [Member]
Loss Contingencies [Line Items]
Number of cases | Cases									55		55			55
Amount per plaintiff									$ 692		$ 692			$ 692
Asbestos Issue [Member]
Loss Contingencies [Line Items]
New claims filed, number | Cases											37		99
Claims settled and dismissed, number | Cases											45			50,920
Europe [Member]
Loss Contingencies [Line Items]
Number of affiliates engaged in violations | affiliate				2
BRAZIL [Member] | Infractions Including Potential Interest and Penalties [Member]
Loss Contingencies [Line Items]
Income tax expense (benefit)			$ 8,000
Summons to recover contested incentives							$ 8,000
BRAZIL [Member] | Disputed Credits, Including Potential Interest and Penalties [Member]
Loss Contingencies [Line Items]
Income tax expense (benefit)											$ 12,000
UNITED STATES [Member]
Loss Contingencies [Line Items]
Number of civil lawsuits filed | Cases								2
Minimum [Member]
Loss Contingencies [Line Items]
Environmental exit costs, reasonably possible additional loss					$ 21,000	$ 5,000
Disgorge estimated profits, incremental aggregate amount											33,000
Minimum [Member] | GK Tech [Member]
Loss Contingencies [Line Items]
Environmental exit costs, reasonably possible additional loss					0
Minimum [Member] | BRAZIL [Member] | Infractions Including Potential Interest and Penalties [Member]
Loss Contingencies [Line Items]
Range of possible loss									0		0			$ 0
Maximum [Member]
Loss Contingencies [Line Items]
Environmental exit costs, reasonably possible additional loss					30,000	$ 13,000
Disgorge estimated profits, incremental aggregate amount											59,000
Maximum [Member] | GK Tech [Member]
Loss Contingencies [Line Items]
Environmental exit costs, reasonably possible additional loss					$ 30,000
Maximum [Member] | BRAZIL [Member] | Infractions Including Potential Interest and Penalties [Member]
Loss Contingencies [Line Items]
Range of possible loss									$ 8,000		$ 8,000			$ 8,000