Acquisitions (Tables)

12 Months Ended

Jul. 31, 2018

Business Combinations [Abstract]

Schedule of Business Acquisitions, by Acquisition

	2018						2017
Purchase Price Allocation	Aexis Medical(1)			BHT Group(1)			CR Kennedy		Vantage(1)		Accutron(1)
	(Preliminary)			(Final)			(Final)		(Final)		(Final)
Purchase Price:
Cash paid	$	20,308		$	60,216		$	11,999	$	4,044	$	53,049
Fair value of contingent consideration	1,292			—			—		—		—
Total	$	21,600		$	60,216		$	11,999	$	4,044	$	53,049
Allocation:
Property and equipment	130			835			—		433		1,676
Amortizable intangible assets:
Customer relationships	1,800			12,500			4,200		992		12,800
Technology	4,600			6,200			—		—		10,000
Brand names	—			—			—		—		2,000
Goodwill	17,092			40,934			5,894		2,299		21,989
Deferred income taxes	(1,639		)	(5,881		)	—		—		112
Other working capital	909			5,628			1,905		320		4,472
Contingent consideration	(1,292		)	—			—		—		—
Total	$	21,600		$	60,216		$	11,999	$	4,044	$	53,049

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(1) The excess purchase price over net assets acquired was assigned to goodwill, all of which is deductible for income tax purposes.