Quarterly report [Sections 13 or 15(d)]

Supplemental Equity and Accumulated Other Comprehensive Income (Loss) - Changes in Accumulated Other Comprehensive Income (Loss), Net of Tax (Details)

Supplemental Equity and Accumulated Other Comprehensive Income (Loss) - Changes in Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2026	Mar. 31, 2025
Supplemental Equity and Accumulated Other Comprehensive Income (Loss)
Beginning Balance			$ 1,918,808
Other comprehensive income (loss), before tax:
Ending Balance	$ 2,085,304		2,085,304
Unrealized Gains (Losses) on Debt Securities
Supplemental Equity and Accumulated Other Comprehensive Income (Loss)
Beginning Balance	160	$ 5,030	2,536	$ 8,102
Other comprehensive income (loss), before tax:
Amounts before reclassifications	(282)	(3,079)	(4,701)	(9,778)
Amounts reclassified out	160	1,790	2,838	6,544
Total other comprehensive income (loss), before tax	(122)	(1,289)	(1,863)	(3,234)
Tax (expense)/benefit	(38)	(424)	(673)	(1,551)
Other comprehensive income (loss) attributable to Bio-Techne	(160)	(1,713)	(2,536)	(4,785)
Ending Balance		3,317		3,317
Foreign Currency Translation Adjustments
Supplemental Equity and Accumulated Other Comprehensive Income (Loss)
Beginning Balance	(62,504)	(90,680)	(62,416)	(86,418)
Other comprehensive income (loss), before tax:
Amounts before reclassifications	(4,859)	4,807	(5,915)	(555)
Amounts reclassified out	660	660	1,933	2,102
Total other comprehensive income (loss), before tax	(4,199)	5,467	(3,982)	1,547
Tax (expense)/benefit	(153)	(156)	(458)	(498)
Other comprehensive income (loss) attributable to Bio-Techne	(4,352)	5,311	(4,440)	1,049
Ending Balance	(66,856)	(85,369)	(66,856)	(85,369)
Accumulated Other Comprehensive Loss
Supplemental Equity and Accumulated Other Comprehensive Income (Loss)
Beginning Balance	(62,344)	(85,650)	(59,880)	(78,316)
Other comprehensive income (loss), before tax:
Amounts before reclassifications	(5,141)	1,728	(10,616)	(10,333)
Amounts reclassified out	820	2,450	4,771	8,646
Total other comprehensive income (loss), before tax	(4,321)	4,178	(5,845)	(1,687)
Tax (expense)/benefit	(191)	(580)	(1,131)	(2,049)
Other comprehensive income (loss) attributable to Bio-Techne	(4,512)	3,598	(6,976)	(3,736)
Ending Balance	$ (66,856)	$ (82,052)	$ (66,856)	$ (82,052)