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Commitments and Contingencies (Details) - USD ($)		1 Months Ended
	Sep. 30, 2015	Aug. 31, 2017	Dec. 28, 2018	Sep. 28, 2018	Sep. 28, 2012
UGL Infrastructure Pty Limited
Loss Contingencies [Line Items]
Percentage of ownership interest in joint venture					50.00%
Nui Phao Mining Company
Loss Contingencies [Line Items]
Damages sought	$ 167,000,000
General Electric and GE Electrical International Inc | Pending Litigation | Minimum
Loss Contingencies [Line Items]
Damages sought		$ 530,000,000.0
JKC Australia LNG Pty Limited | Pending Litigation
Loss Contingencies [Line Items]
Damages sought		$ 1,700,000,000
Line of Credit
Loss Contingencies [Line Items]
Short-term debt			$ 472,100,000	$ 446,600,000
Surety Bond
Loss Contingencies [Line Items]
Short-term debt			$ 1,300,000,000	$ 870,300,000

X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
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- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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- Definition

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+ References

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