Supplemental Guarantor Information -Condensed Consolidating Statements of Cash Flows (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Supplemental Guarantor Information [Line Items]
Net cash provided by operating activities	$ 208.0	$ 223.0
Capital expenditures	(8.8)	(8.3)
Net cash used in investing activities	(8.8)	(8.3)
Proceeds from borrowings under revolving credit facility	0	148.0
Repayments of borrowings under revolving credit facility	0	148.0
Repayments of long-term debt	(40.0)	(201.0)
Proceeds from Issuance of long-term Debt	0	135.7
Payments to extinguish long-term debt	(53.1)	(136.9)
Net change in accounts payable-inventory financing	3.7	(74.0)
Net cash used in financing activities	(89.5)	(278.4)
Effect of exchange rate changes on cash and cash equivalents	(0.5)	0.3
Net increase (decrease) in cash and cash equivalents	109.2	(63.4)
Cash and cash equivalents - beginning of period	37.9	99.9
Cash and cash equivalents - end of period	147.1	36.5
Parent Guarantor [Member]
Supplemental Guarantor Information [Line Items]
Net cash provided by operating activities	0	0
Capital expenditures	0	0
Net cash used in investing activities	0	0
Proceeds from borrowings under revolving credit facility		0
Repayments of borrowings under revolving credit facility		0
Repayments of long-term debt	0	0
Proceeds from Issuance of long-term Debt		0
Payments to extinguish long-term debt	0	0
Net change in accounts payable-inventory financing	0	0
Advances from (to) affiliates	0	0
Other financing activities	0	0
Net cash used in financing activities	0	0
Effect of exchange rate changes on cash and cash equivalents	0	0
Net increase (decrease) in cash and cash equivalents	0	0
Cash and cash equivalents - beginning of period	0	0
Cash and cash equivalents - end of period	0	0
Subsidiary Issuer [Member]
Supplemental Guarantor Information [Line Items]
Net cash provided by operating activities	9.7	(10.0)
Capital expenditures	(7.8)	(2.8)
Net cash used in investing activities	(7.8)	(2.8)
Proceeds from borrowings under revolving credit facility		148.0
Repayments of borrowings under revolving credit facility		148.0
Repayments of long-term debt	(40.0)	(201.0)
Proceeds from Issuance of long-term Debt		135.7
Payments to extinguish long-term debt	(53.1)	(136.9)
Net change in accounts payable-inventory financing	0	0
Advances from (to) affiliates	166.7	167.7
Other financing activities	(0.1)	(2.2)
Net cash used in financing activities	73.5	(36.7)
Effect of exchange rate changes on cash and cash equivalents	0	0
Net increase (decrease) in cash and cash equivalents	75.4	(49.5)
Cash and cash equivalents - beginning of period	48.0	102.1
Cash and cash equivalents - end of period	123.4	52.6
Guarantor Subsidiaries [Member]
Supplemental Guarantor Information [Line Items]
Net cash provided by operating activities	171.7	250.9
Capital expenditures	(1.0)	(5.4)
Net cash used in investing activities	(1.0)	(5.4)
Proceeds from borrowings under revolving credit facility		0
Repayments of borrowings under revolving credit facility		0
Repayments of long-term debt	0	0
Proceeds from Issuance of long-term Debt		0
Payments to extinguish long-term debt	0	0
Net change in accounts payable-inventory financing	3.7	(74.0)
Advances from (to) affiliates	(166.5)	(167.8)
Other financing activities	0	0
Net cash used in financing activities	(162.8)	(241.8)
Effect of exchange rate changes on cash and cash equivalents	0	0
Net increase (decrease) in cash and cash equivalents	7.9	3.7
Cash and cash equivalents - beginning of period	0	15.8
Cash and cash equivalents - end of period	7.9	19.5
Non-Guarantor Subsidiaries [Member]
Supplemental Guarantor Information [Line Items]
Net cash provided by operating activities	7.1	8.2
Capital expenditures	0	(0.1)
Net cash used in investing activities	0	(0.1)
Proceeds from borrowings under revolving credit facility		0
Repayments of borrowings under revolving credit facility		0
Repayments of long-term debt	0	0
Proceeds from Issuance of long-term Debt		0
Payments to extinguish long-term debt	0	0
Net change in accounts payable-inventory financing	0	0
Advances from (to) affiliates	(0.2)	0.1
Other financing activities	0	0
Net cash used in financing activities	(0.2)	0.1
Effect of exchange rate changes on cash and cash equivalents	(0.5)	0.3
Net increase (decrease) in cash and cash equivalents	6.4	8.5
Cash and cash equivalents - beginning of period	9.8	8.1
Cash and cash equivalents - end of period	16.2	16.6
Co-Issuer [Member]
Supplemental Guarantor Information [Line Items]
Net cash provided by operating activities	0	0
Capital expenditures	0	0
Net cash used in investing activities	0	0
Proceeds from borrowings under revolving credit facility		0
Repayments of borrowings under revolving credit facility		0
Repayments of long-term debt	0	0
Proceeds from Issuance of long-term Debt		0
Payments to extinguish long-term debt	0	0
Net change in accounts payable-inventory financing	0	0
Advances from (to) affiliates	0	0
Other financing activities	0	0
Net cash used in financing activities	0	0
Effect of exchange rate changes on cash and cash equivalents	0	0
Net increase (decrease) in cash and cash equivalents	0	0
Cash and cash equivalents - beginning of period	0	0
Cash and cash equivalents - end of period	0	0
Consolidating Adjustments [Member]
Supplemental Guarantor Information [Line Items]
Net cash provided by operating activities	19.5	(26.1)
Capital expenditures	0	0
Net cash used in investing activities	0	0
Proceeds from borrowings under revolving credit facility		0
Repayments of borrowings under revolving credit facility		0
Repayments of long-term debt	0	0
Proceeds from Issuance of long-term Debt		0
Payments to extinguish long-term debt	0	0
Net change in accounts payable-inventory financing	0	0
Advances from (to) affiliates	0	0
Other financing activities	0	0
Net cash used in financing activities	0	0
Effect of exchange rate changes on cash and cash equivalents	0	0
Net increase (decrease) in cash and cash equivalents	19.5	(26.1)
Cash and cash equivalents - beginning of period	(19.9)	(26.1)
Cash and cash equivalents - end of period	(0.4)	(52.2)
Consolidated [Member]
Supplemental Guarantor Information [Line Items]
Net cash provided by operating activities	208.0	223.0
Capital expenditures	(8.8)	(8.3)
Net cash used in investing activities	(8.8)	(8.3)
Proceeds from borrowings under revolving credit facility		148.0
Repayments of borrowings under revolving credit facility		148.0
Repayments of long-term debt	(40.0)	(201.0)
Proceeds from Issuance of long-term Debt		135.7
Payments to extinguish long-term debt	(53.1)	(136.9)
Net change in accounts payable-inventory financing	3.7	(74.0)
Advances from (to) affiliates	0	0
Other financing activities	(0.1)	(2.2)
Net cash used in financing activities	(89.5)	(278.4)
Effect of exchange rate changes on cash and cash equivalents	(0.5)	0.3
Net increase (decrease) in cash and cash equivalents	109.2	(63.4)
Cash and cash equivalents - beginning of period	37.9	99.9
Cash and cash equivalents - end of period	$ 147.1	$ 36.5