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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Subsequent Events (Details) - USD ($)			3 Months Ended		6 Months Ended
Subsequent Events (Details) - USD ($)	Jul. 07, 2017	Oct. 13, 2016	Jul. 02, 2017	Jul. 03, 2016	Jul. 02, 2017	Jul. 03, 2016	Oct. 12, 2016
Subsequent Event [Line Items]
Restructuring Charges			$ 3,566,000	$ 3,259,000	$ 5,025,000	$ 4,422,000
Downstream [Member]
Subsequent Event [Line Items]
Additional consideration payable (up to)							$ 15,000,000
Business acquisition, net of cash acquired		$ 198,000,000
Divestiture [Member]
Subsequent Event [Line Items]
Restructuring Charges			$ 3,849,000		3,849,000
Divestiture [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Restructuring Charges	$ 5,274,000
Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Subsequent Event [Line Items]
Disposal group adjustment					$ 3,800,000