Chargeback Reserves (Tables)

12 Months Ended

Dec. 31, 2012

Chargeback Reserves [Abstract]

Schedule of estimated chargeback liability

The following is a rollforward of our estimated chargeback liability for each of the three years presented in our Consolidated Financial Statements:

	2012			2011			2010
Balance - January 1	$	46.2		$	42.5		$	48.7
Add: Provisions	52.9			39.9			29.6
Deduct: Chargebacks	(43.1		)	(36.2		)	(35.8		)
Balance - December 31	$	56.0		$	46.2		$	42.5