Guarantees, commitments and contingencies (Tables)

9 Months Ended

Apr. 30, 2017

Commitments And Contingencies Disclosure [Abstract]

Product Warranty Liability

The following table presents our product warranty liability as of April 30, 2017:

	As of
	April 30,
(in millions)	2017
Beginning balance	$	6.3
Provision		0.8
Settlements made in cash or in kind during the period		(0.9	)
Ending balance	$	6.2