Divestiture, Amount of Consideration Received

No definition available.

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- 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

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

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Period Type:	duration

- 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.

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Balance Type:	na
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- Definition

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

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- 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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ACQUISITIONS AND DIVESTITURE PlaneTechs (Details) - USD ($) $ in Thousands		2 Months Ended	3 Months Ended								12 Months Ended
	Mar. 12, 2018	Mar. 12, 2018	Dec. 30, 2018	Sep. 30, 2018	Jul. 01, 2018	Apr. 01, 2018	Dec. 31, 2017	Oct. 01, 2017	Jul. 02, 2017	Apr. 02, 2017	Dec. 30, 2018	Dec. 31, 2017	Jan. 01, 2017
Noncash or Part Noncash Divestitures [Line Items]
Divestiture of business											$ 10,587	$ 0	$ 0
Divestiture non-cash consideration											798	0	0
Revenue from services			$ 650,147	$ 680,371	$ 614,301	$ 554,388	$ 669,625	$ 660,780	$ 610,122	$ 568,244	2,499,207	$ 2,508,771	$ 2,750,640
PlaneTechs
Noncash or Part Noncash Divestitures [Line Items]
Divestiture of business	$ 11,400
Divestiture, Amount of Consideration Received	8,500
Divestiture non-cash consideration	$ 1,600
Debt Instrument, Periodic Payment											100
Gain on Disposition of Assets											$ 700
Revenue from services		$ 8,000