Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2018

Accounts Receivable

Summary of trade accounts receivable, net

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

	2018		2017
Gross accounts receivable	$	361.0	$	324.0
Allowance for doubtful accounts		(3.8)		(4.7)
Accounts receivable, net	$	357.2	$	319.3

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		Additions		Deductions		Foreign
	Beginning of		Charged to		Amounts		Currency		Balance at
	Period		Expense		Written Off		Impact		End of Period
2018	$	4.7	$	0.7	$	(1.7)	$	0.1	$	3.8
2017		7.9		0.5		(4.4)		0.7		4.7
2016		9.1		0.9		(2.0)		(0.1)		7.9