Supplemental Cash Flow Information (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash Flow Provided by (Used in) Operations Due to Changes in Operating Assets and Liabilities
Receivables, Net	$ 49.3	$ 7.3	$ 0.7
Inventories, Net	(39.5)	(23.9)	(43.0)
Prepaid Expenses	(11.4)	(0.2)	3.4
Other Assets	(3.8)	4.0	(5.8)
Accounts Payable	(13.9)	6.8	27.5
Compensation and Employee Benefits	(20.8)	16.9	(3.3)
Income Taxes	1.1	(4.5)	0.8
Interest Payable	21.9	(14.9)	(6.9)
Other Accrued Liabilities	(1.1)	(8.7)	(6.5)
Other Noncurrent Liabilities	(4.1)	0.1	12.3
Total	22.3	17.1	20.8
Cash paid for interest and cash paid, net of refunds, for income taxes
Interest	89.6	117.5	143.7
Income Taxes	$ 12.1	$ 8.9	$ 8.2