Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2014

Accounts Receivable

Summary of trade accounts receivable

        The following is a summary of trade accounts receivable at December 31, (in millions):

	2014			2013
Gross accounts receivable	$	303.3		$	315.5
Allowance for doubtful accounts		(10.1	)		(7.9	)
Accounts receivable, net	$	293.2		$	307.6

Summary of activity in the allowance for doubtful accounts

        The following is a summary of the activity in the Company's allowance for doubtful accounts at December 31, (in millions):

	Balance at Beginning of Period		Additions Charged to Expense		Deductions Amounts Written Off			Foreign Currency Impact			Balance at End of Period
2014	$	7.9	$	5.5	$	(2.5	)	$	(0.8	)	$	10.1
2013		7.9		1.3		(1.3	)		—			7.9
2012		5.6		3.0		(0.7	)		—			7.9