Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Changes in Company's Warranty Liabilities

The following table summarizes the changes in the Company’s warranty liabilities:

(in millions)	2016			2015
Balance at January 1	$	7.4		$	7.7
Provisions to expense	5.5			5.9
Actual costs incurred	(6.5		)	(6.2		)
Balance at December 31	$	6.4		$	7.4