Divestiture, Amount of Consideration Received

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

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- Definition

Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Amount of noncash consideration received for selling an asset or business through a noncash (or part noncash) transaction.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This element represents the cash inflow during the period from the sale of a component of the entity.

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Period Type:	duration

- Definition

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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ACQUISITION AND DIVESTITURE Divestiture (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Mar. 12, 2018	Jul. 01, 2018	Jul. 02, 2017	Jul. 01, 2018	Jul. 02, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Divestiture of business				$ 8,800	$ 0
Divestiture non-cash consideration				1,657	0
Revenue from services		$ 614,301	$ 610,122	1,168,689	$ 1,178,366
PlaneTechs
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Divestiture, amount of consideration received	$ 11,400
Divestiture of business	8,500
Divestiture non-cash consideration	$ 1,600
Debt Instrument, Periodic Payment				100
Gain on disposition of assets				$ 1,100
Revenue from services		$ 8,000