Summary of Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Summary of Accounting Policies

Schedule for Company's allowance for doubtful accounts

(in millions)	2015			2014			2013
Balance at January 1	$	4.8		$	3.3		$	5.2
Provision charged to expense		0.3			1.2			0.1
Provision charged to other accounts		0.1			1.1			(1.4	)
Amounts written off, net of recoveries		(0.5	)		(0.8	)		(0.6	)
Balance at December 31	$	4.7		$	4.8		$	3.3