Divestitures (Summary Of Assets And Liabilities As Held For Sale) (Details) - Coevorden Operations [Member] $ in Millions	Dec. 29, 2019 USD ($)
Assets
Goodwill	$ 10.6
Discontinued Operations, Held-For-Sale [Member]
Assets
Other receivables	2.8
Inventories	1.8
Property, plant and equipment, net	46.6
Goodwill	10.6
Write-down of assets held for sale to fair value less cost to sell	(32.8)
Total assets of business held for sale	29.0
Liabilities
Accounts payable and other current liabilities	9.2
Debt	0.1
Total liabilities of business held for sale	$ 9.3

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