Accounts Receivable

12 Months Ended

Dec. 31, 2014

Receivables [Abstract]

Accounts Receivables

Note 5. Accounts Receivable

Transactions affecting the allowance for doubtful accounts receivable during the years ended December 31, 2014, 2013 and 2012 were as follows:

	2014			2013			2012
Balance, beginning of year	$	44.8		$	49.6		$	62.6
Provisions charged to expense		16.9			18.2			8.7
Write-offs and other		(17.4	)		(23.0	)		(21.7	)
Balance, end of year	$	44.3		$	44.8		$	49.6