Fair value (Tables)

12 Months Ended

Jul. 31, 2014

Assets and Liabilities Carried at Fair Value Measured on Recurring Basis

The following table provides the assets and liabilities carried at fair value measured on a recurring basis at July 31, 2014 and 2013:

			Fair Value Measurements at July 31, 2014
	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
(in millions)
Assets
Plan assets for deferred compensation	$	3.6	$	3.6	$	—	$	—
Total assets at fair value	$	3.6	$	3.6	$	—	$	—
Liabilities
Contingent Consideration	$	2.1	$	—	$	—	$	2.1
Total liabilities at fair value	$	2.1	$	—	$	—	$	2.1

			Fair Value Measurements at July 31, 2013
	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
(in millions)
Assets
Cash equivalents	$	0.8	$	—	$	0.8	$	—
Plan assets for deferred compensation		2.7		2.7		—		—
Total assets at fair value	$	3.5	$	2.7	$	0.8	$	—
Liabilities
Foreign currency forward contracts	$	0.2	$	—	$	0.2	$	—
Total liabilities at fair value	$	0.2	$	—	$	0.2	$	—

Reconciliations of Changes in Fair Value of Contingent Consideration

The following are reconciliations of the changes in the fair value of contingent consideration in fiscal years 2014 and 2013:

	Years Ended
(in millions)	2014		2013
Beginning Balance	$	—	$	0.5
Acquisition – PocketSonics		1.9		—
Change in fair value		0.2		(0.1	)
Payments		—		(0.4	)
Ending Balance	$	2.1	$	—