Assets and Liabilities Held for Sale and Discontinued Operations (Balance Sheets) (Details) - USD ($) $ in Millions	Oct. 02, 2015	Dec. 31, 2014	Sep. 26, 2014
Current assets:
Cash and cash equivalents	$ 30.8	$ 69.1	$ 58.3
Receivables, net of allowances	26.8	111.9
Inventories	45.2	92.2
Deferred income taxes	8.2	8.4
Prepaid expenses and other	1.4	32.2
Total current assets	112.4	313.8
Property, plant and equipment, net	39.5	87.7
Deferred income taxes	4.1	6.4
Goodwill	0.0	3.3
Intangible assets, net	0.0	14.6
Other non-current assets	6.8	7.9
Total assets	162.8	433.7
Current liabilities:
Accounts payable	18.4	119.4
Accrued liabilities	19.0	27.3
Current portion of long-term debt	13.3	11.9
Total current liabilities	50.7	158.6
Deferred income taxes	0.3	4.7
Other liabilities	1.5	11.3
Total liabilities	$ 52.5	$ 174.6