Acquisitions - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020	Dec. 08, 2020	Nov. 17, 2020	Jun. 30, 2020
Business Acquisition [Line Items]
Cash paid			$ 0	$ 4,600
Fair value of contingent consideration	$ 1,200		1,200				$ 0
Goodwill	$ 158,182		$ 158,182				$ 137,055
Effective income tax rate (as a percent)	17.60%	17.30%	15.20%	13.40%
Camo Analytics AS
Business Acquisition [Line Items]
Consideration transferred			$ 12,700
Cash paid			10,000
Subsequent working capital adjustment	$ (100)
Future contingent consideration payment	2,400		2,400
Goodwill						$ 7,356
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low	300		300
Payment for Contingent Consideration Liability, Investing Activities	200
OptiPlant, Inc. [Member]
Business Acquisition [Line Items]
Consideration transferred			8,200
Cash paid			6,800
Future contingent consideration payment	1,200		1,200
Goodwill					$ 6,252
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low	200		$ 200
Payment for Contingent Consideration Liability, Investing Activities	$ 200
Technology-related | Camo Analytics AS
Business Acquisition [Line Items]
Identifiable intangible assets						2,533
Technology-related | OptiPlant, Inc. [Member]
Business Acquisition [Line Items]
Identifiable intangible assets					1,485
Customer relationships | Camo Analytics AS
Business Acquisition [Line Items]
Identifiable intangible assets						$ 1,900
Customer relationships | OptiPlant, Inc. [Member]
Business Acquisition [Line Items]
Identifiable intangible assets					$ 990