Discontinued Operations and Divestitures Discontinued Operations (Assets and Liabilities Held-for-sale) (Details) - Nuclear Imaging - Discontinued Operations, Held-for-sale [Member] - USD ($) $ in Millions	Jun. 30, 2017	Dec. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts receivable, held for sale	$ 0.0	$ 49.6
Inventories, held for sale	0.0	20.0
Property, plant and equipment, net, held for sale	0.0	188.7
Other current assets and non-current assets, held for sale	0.0	52.6
Total assets classified as held for sale in the balance sheet	0.0	310.9
Accounts payable, held for sale	0.0	19.7
Other current and non-current liabilities, held for sale	0.0	100.6
Total liabilities classified as held for sale in the balance sheet	$ 0.0	$ 120.3