Warranty (Tables)

12 Months Ended

Jul. 31, 2018

Standard Product Warranty Disclosure [Abstract]

Schedule of product warranty liability

The following is a reconciliation of warranty reserves for the years ended July 31, 2018 and 2017 (in millions):

	Year Ended July 31,
	2018			2017
Balance at beginning of period	$	14.6		$	11.9
Accruals for warranties issued during the reporting period	8.3			4.7
Accruals related to pre-existing warranties (including changes in estimates)	0.1			3.6
Less settlements made during the period	(4.1		)	(5.6		)
Balance at end of period	$	18.9		$	14.6