Assets and Liabilities Held for Sale and Discontinued Operations (Balance Sheets) (Details) - USD ($) $ in Millions	Apr. 01, 2016	Dec. 31, 2015	Apr. 03, 2015
Current assets:
Cash and cash equivalents	$ 33.8	$ 32.7	$ 70.2
Receivables, net of allowances	24.5	28.5
Inventories	33.0	38.6
Prepaid expenses and other	1.4	4.1
Total current assets	92.7	103.9
Property, plant and equipment, net	40.0	39.7
Deferred income taxes	10.0	10.3
Other non-current assets	6.6	6.9
Total assets	149.3	160.8
Current liabilities:
Accounts payable	10.1	17.3
Accrued liabilities	15.0	21.1
Current portion of long-term debt	0.0	13.2
Total current liabilities	25.1	51.6
Deferred income taxes	0.0	0.2
Other liabilities	1.4	1.5
Total liabilities	$ 26.5	$ 53.3