Acquisitions (UHP Networks, Inc.) (Details) - UHP - USD ($)			1 Months Ended
	Jul. 31, 2021	Mar. 02, 2021	Aug. 31, 2021	Jul. 31, 2020	Jul. 31, 2019
Business Acquisition [Line Items]
Aggregate purchase price	$ 37,470,000	$ 37,402,000
Initial upfront payment	23,979,000	23,902,000
Cash payment	87,000
Hold back amount	4,991,000	5,000,000
Earn-out payment		9,000,000
Contingent earn-out consideration	8,500,000	$ 8,500,000		$ 0	$ 0
Amount in escrow	$ 4,560,000
Period of settlement of potential indemnification		3 years
Aggregate purchase price - settled with issuance of common stock (in shares)		1,026,567
Weighted average stock price (in dollars per share)		$ 28.14
Subsequent Event
Business Acquisition [Line Items]
Payment of hold back amount through shares of stock			$ 3,991,000