Supplemental Guarantor Information -Condensed Consolidating Balance Sheets (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2011
Supplemental Guarantor Information [Line Items]
Cash and cash equivalents	$ 350.2	$ 37.9	$ 193.0	$ 99.9
Accounts receivable, net of allowance for doubtful accounts	1,310.6	1,285.0
Merchandise inventory	353.8	314.6
Miscellaneous receivables	197.1	148.5
Deferred income taxes	10.9	14.1
Prepaid expenses and other	63.1	34.6
Total current assets	2,285.7	1,834.7
Property and equipment, net	129.6	142.7
Goodwill	2,222.9	2,209.3
Other intangible assets, net	1,365.5	1,478.5
Deferred financing costs, net	33.7	53.2
Other assets	1.4	1.6
Total assets	6,038.8	5,720.0
Accounts payable-trade	672.6	518.6
Accounts payable-inventory financing	225.2	249.2
Current maturities of long-term debt	170.4	40.0
Deferred revenue	82.5	57.8
Total current liabilities	1,496.5	1,168.2
Debt	3,239.7	3,731.0
Deferred income taxes	599.4	624.3
Other Accrued Interest	2.5	8.0
Other liabilities	40.9	52.0
Total long-term liabilities	3,882.5	4,415.3
Total shareholders' equity (deficit)	659.8	136.5
Total liabilities and shareholders' equity (deficit)	6,038.8	5,720.0
Parent Guarantor [Member]
Supplemental Guarantor Information [Line Items]
Cash and cash equivalents	0	0	0	0
Accounts receivable, net of allowance for doubtful accounts	0	0
Merchandise inventory	0	0
Miscellaneous receivables	0	0
Deferred income taxes	0	0
Prepaid expenses and other	0	0
Total current assets	0	0
Property and equipment, net	0	0
Goodwill	0	0
Other intangible assets, net	0	0
Deferred financing costs, net	0	0
Other assets	5.0	5.4
Investment from and advances to subsidiaries	654.8	131.1
Total assets	659.8	136.5
Accounts payable-trade	0	0
Accounts payable-inventory financing	0	0
Current maturities of long-term debt	0	0
Deferred revenue	0	0
Accrued Expenses	0	0
Total current liabilities	0	0
Debt	0	0
Deferred income taxes	0	0
Other Accrued Interest	0	0
Other liabilities	0	0
Total long-term liabilities	0	0
Total shareholders' equity (deficit)	659.8	136.5
Total liabilities and shareholders' equity (deficit)	659.8	136.5
Subsidiary Issuer [Member]
Supplemental Guarantor Information [Line Items]
Cash and cash equivalents	329.4	48.0	168.5	102.1
Accounts receivable, net of allowance for doubtful accounts	0	0
Merchandise inventory	0	0
Miscellaneous receivables	78.2	61.7
Deferred income taxes	8.5	8.7
Prepaid expenses and other	14.2	10.1
Total current assets	430.3	128.5
Property and equipment, net	68.4	73.9
Goodwill	752.1	749.4
Other intangible assets, net	340.7	348.6
Deferred financing costs, net	33.7	53.2
Other assets	1.5	1.1
Investment from and advances to subsidiaries	2,877.3	2,946.0
Total assets	4,504.0	4,300.7
Accounts payable-trade	21.4	16.5
Accounts payable-inventory financing	0	0
Current maturities of long-term debt	170.4	40.0
Deferred revenue	0	0
Accrued Expenses	183.8	139.3
Total current liabilities	375.6	195.8
Debt	3,239.7	3,731.0
Deferred income taxes	194.9	188.1
Other Accrued Interest	2.5	8.0
Other liabilities	36.5	46.7
Total long-term liabilities	3,473.6	3,973.8
Total shareholders' equity (deficit)	654.8	131.1
Total liabilities and shareholders' equity (deficit)	4,504.0	4,300.7
Guarantor Subsidiaries [Member]
Supplemental Guarantor Information [Line Items]
Cash and cash equivalents	0	0	26.5	15.8
Accounts receivable, net of allowance for doubtful accounts	1,255.6	1,217.7
Merchandise inventory	351.1	313.2
Miscellaneous receivables	111.8	82.0
Deferred income taxes	2.5	5.5
Prepaid expenses and other	48.3	24.4
Total current assets	1,769.3	1,642.8
Property and equipment, net	59.2	66.2
Goodwill	1,440.4	1,428.5
Other intangible assets, net	1,017.6	1,121.7
Deferred financing costs, net	0	0
Other assets	0	0.4
Investment from and advances to subsidiaries	0	0
Total assets	4,286.5	4,259.6
Accounts payable-trade	635.0	500.3
Accounts payable-inventory financing	225.2	249.2
Current maturities of long-term debt	0	0
Deferred revenue	81.9	57.8
Accrued Expenses	155.0	157.4
Total current liabilities	1,097.1	964.7
Debt	0	0
Deferred income taxes	407.8	440.0
Other Accrued Interest	0	0
Other liabilities	3.6	4.0
Total long-term liabilities	411.4	444.0
Total shareholders' equity (deficit)	2,778.0	2,850.9
Total liabilities and shareholders' equity (deficit)	4,286.5	4,259.6
Non-Guarantor Subsidiaries [Member]
Supplemental Guarantor Information [Line Items]
Cash and cash equivalents	27.7	9.8	22.5	8.1
Accounts receivable, net of allowance for doubtful accounts	55.0	67.3
Merchandise inventory	2.7	1.4
Miscellaneous receivables	7.1	4.8
Deferred income taxes	(0.1)	(0.1)
Prepaid expenses and other	0.6	0.1
Total current assets	93.0	83.3
Property and equipment, net	2.0	2.6
Goodwill	30.4	31.4
Other intangible assets, net	7.2	8.2
Deferred financing costs, net	0	0
Other assets	0.6	0.6
Investment from and advances to subsidiaries	0	0
Total assets	133.2	126.1
Accounts payable-trade	23.1	21.7
Accounts payable-inventory financing	0	0
Current maturities of long-term debt	0	0
Deferred revenue	0.6	0
Accrued Expenses	7.0	5.9
Total current liabilities	30.7	27.6
Debt	0	0
Deferred income taxes	1.7	1.7
Other Accrued Interest	0	0
Other liabilities	1.5	1.7
Total long-term liabilities	3.2	3.4
Total shareholders' equity (deficit)	99.3	95.1
Total liabilities and shareholders' equity (deficit)	133.2	126.1
Co-Issuer [Member]
Supplemental Guarantor Information [Line Items]
Cash and cash equivalents	0	0	0	0
Accounts receivable, net of allowance for doubtful accounts	0	0
Merchandise inventory	0	0
Miscellaneous receivables	0	0
Deferred income taxes	0	0
Prepaid expenses and other	0	0
Total current assets	0	0
Property and equipment, net	0	0
Goodwill	0	0
Other intangible assets, net	0	0
Deferred financing costs, net	0	0
Other assets	0	0
Investment from and advances to subsidiaries	0	0
Total assets	0	0
Accounts payable-trade	0	0
Accounts payable-inventory financing	0	0
Current maturities of long-term debt	0	0
Deferred revenue	0	0
Accrued Expenses	0	0
Total current liabilities	0	0
Debt	0	0
Deferred income taxes	0	0
Other Accrued Interest	0	0
Other liabilities	0	0
Total long-term liabilities	0	0
Total shareholders' equity (deficit)	0	0
Total liabilities and shareholders' equity (deficit)	0	0
Consolidating Adjustments [Member]
Supplemental Guarantor Information [Line Items]
Cash and cash equivalents	(6.9)	(19.9)	(24.5)	(26.1)
Accounts receivable, net of allowance for doubtful accounts	0	0
Merchandise inventory	0	0
Miscellaneous receivables	0	0
Deferred income taxes	0	0
Prepaid expenses and other	0	0
Total current assets	(6.9)	(19.9)
Property and equipment, net	0	0
Goodwill	0	0
Other intangible assets, net	0	0
Deferred financing costs, net	0	0
Other assets	(5.7)	(5.9)
Investment from and advances to subsidiaries	(3,532.1)	(3,077.1)
Total assets	(3,544.7)	(3,102.9)
Accounts payable-trade	(6.9)	(19.9)
Accounts payable-inventory financing	0	0
Current maturities of long-term debt	0	0
Deferred revenue	0	0
Accrued Expenses	0	0
Total current liabilities	(6.9)	(19.9)
Debt	0	0
Deferred income taxes	(5.0)	(5.5)
Other Accrued Interest	0	0
Other liabilities	(0.7)	(0.4)
Total long-term liabilities	(5.7)	(5.9)
Total shareholders' equity (deficit)	(3,532.1)	(3,077.1)
Total liabilities and shareholders' equity (deficit)	(3,544.7)	(3,102.9)
Consolidated [Member]
Supplemental Guarantor Information [Line Items]
Cash and cash equivalents	350.2	37.9	193.0	99.9
Accounts receivable, net of allowance for doubtful accounts	1,310.6	1,285.0
Merchandise inventory	353.8	314.6
Miscellaneous receivables	197.1	148.5
Deferred income taxes	10.9	14.1
Prepaid expenses and other	63.1	34.6
Total current assets	2,285.7	1,834.7
Property and equipment, net	129.6	142.7
Goodwill	2,222.9	2,209.3
Other intangible assets, net	1,365.5	1,478.5
Deferred financing costs, net	33.7	53.2
Other assets	1.4	1.6
Investment from and advances to subsidiaries	0	0
Total assets	6,038.8	5,720.0
Accounts payable-trade	672.6	518.6
Accounts payable-inventory financing	225.2	249.2
Current maturities of long-term debt	170.4	40.0
Deferred revenue	82.5	57.8
Accrued Expenses	345.8	302.6
Total current liabilities	1,496.5	1,168.2
Debt	3,239.7	3,731.0
Deferred income taxes	599.4	624.3
Other Accrued Interest	2.5	8.0
Other liabilities	40.9	52.0
Total long-term liabilities	3,882.5	4,415.3
Total shareholders' equity (deficit)	659.8	136.5
Total liabilities and shareholders' equity (deficit)	$ 6,038.8	$ 5,720.0