Guarantees, commitments and contingencies (Tables)

6 Months Ended

Jan. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Product Warranty Liability

The following table presents our product warranty liability as of January 31, 2017:

	As of
	January 31,
(in millions)	2017
Beginning balance	$	6.3
Provision		0.3
Settlements made in cash or in kind during the period		(0.5	)
Ending balance	$	6.1