Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2015

Accounts Receivable

Summary of trade accounts receivable

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

	2015			2014
Gross accounts receivable	$	243.8		$	303.3
Allowance for doubtful accounts		(9.1	)		(10.1	)
Accounts receivable, net	$	234.7		$	293.2

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
2015	$	10.1	$	2.1	$	(2.5	)	$	(0.6	)	$	9.1
2014		7.9		5.5		(2.5	)		(0.8	)		10.1
2013		7.9		1.3		(1.3	)		—			7.9