Comprehensive Income (Loss) Note [Text Block] | ​ ​ Note 8. Supplemental Equity and Accumulated Other Comprehensive Income (Loss): Supplemental Equity The Company has declared cash dividends per share of $0.32 and $0.96 in both the three and nine months ended March 31, 2022 and 2021, respectively. Consolidated Changes in Equity (amounts in thousands) ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Bio-Techne Shareholders ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Accumulated ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Additional ​ ​ ​ ​ Other ​ ​ ​ ​ ​ ​ ​ ​ Common Stock ​ Paid-in ​ Retained ​ Comprehensive ​ Noncontrolling ​ ​ ​ ​ ​ Shares ​ Amount ​ Capital ​ Earnings ​ Income(Loss) ​ Interest ​ Total Balances at June 30, 2021 38,955 ​ $ 390 ​ $ 534,411 ​ $ 1,085,461 ​ $ (57,291) ​ $ 8,263 ​ $ 1,571,234 Net earnings ​ ​ ​ ​ ​ ​ 69,615 ​ ​ ​ (634) ​ 68,981 Other comprehensive income (loss) ​ ​ ​ ​ ​ ​ ​ (6,925) ​ (39) ​ (6,964) Share repurchases ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Common stock issued for exercise of options 295 ​ 3 ​ 36,345 ​ (13,481) ​ ​ ​ 22,867 Common stock issued for restricted stock awards 20 ​ 0 ​ 0 ​ (9,765) ​ ​ ​ (9,765) Cash dividends ​ ​ ​ ​ ​ ​ (12,493) ​ ​ ​ ​ (12,493) Stock-based compensation expense ​ ​ ​ ​ ​ 11,396 ​ ​ ​ ​ ​ 11,396 Common stock issued to employee stock purchase plan 3 ​ 0 ​ 1,358 ​ ​ ​ ​ ​ 1,358 Employee stock purchase plan expense ​ ​ ​ ​ ​ 341 ​ ​ ​ ​ ​ 341 Balances at September 30, 2021 39,273 ​ $ 393 ​ $ 583,851 ​ $ 1,119,337 ​ $ (64,216) ​ $ 7,590 ​ $ 1,646,955 Net earnings ​ ​ ​ ​ ​ ​ 80,173 ​ ​ ​ (8,114) ​ 72,059 Other comprehensive income (loss) ​ ​ ​ ​ ​ ​ ​ 4,742 ​ 66 ​ 4,808 Share repurchases (89) ​ (1) ​ ​ ​ (41,293) ​ ​ ​ (41,294) Common stock issued for exercise of options 134 ​ 1 ​ 18,604 ​ ​ ​ ​ ​ 18,605 Common stock issued for restricted stock awards 1 ​ ​ ​ ​ ​ ​ ​ ​ ​ — Cash dividends ​ ​ ​ ​ ​ ​ (12,576) ​ ​ ​ ​ (12,576) Stock-based compensation expense ​ ​ ​ ​ ​ 13,701 ​ ​ ​ ​ ​ 13,701 Common stock issued to employee stock purchase plan ​ ​ ​ ​ 6 ​ ​ ​ ​ ​ 6 Employee stock purchase plan expense ​ ​ ​ ​ ​ 267 ​ ​ ​ ​ ​ 267 Balances at December 31, 2021 39,319 ​ $ 393 ​ $ 616,429 ​ $ 1,145,641 ​ $ (59,474) ​ $ (458) ​ $ 1,702,531 Net earnings ​ ​ ​ ​ ​ ​ 60,739 ​ ​ ​ (595) ​ 60,144 Other comprehensive income (loss) ​ ​ ​ ​ ​ ​ ​ 4,329 ​ (1) ​ 4,328 Share repurchases (145) ​ (1) ​ ​ ​ (60,837) ​ ​ ​ (60,838) Common stock issued for exercise of options 84 ​ 1 ​ 10,494 ​ ​ ​ ​ ​ 10,495 Common stock issued for restricted stock awards 1 ​ ​ ​ ​ ​ (159) ​ ​ ​ (159) Cash dividends ​ ​ ​ ​ ​ ​ (12,577) ​ ​ ​ ​ (12,577) Stock-based compensation expense ​ ​ ​ ​ ​ 8,043 ​ ​ ​ ​ ​ 8,043 Common stock issued to employee stock purchase plan 4 ​ ​ ​ 1,330 ​ ​ ​ ​ ​ 1,330 Employee stock purchase plan expense ​ ​ ​ ​ ​ 25 ​ ​ ​ ​ ​ 25 Balances at March 31, 2022 39,263 ​ ​ 393 ​ ​ 636,321 ​ ​ 1,132,807 ​ ​ (55,145) ​ ​ (1,054) ​ ​ 1,713,322 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Bio-Techne Shareholders ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Accumulated ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Additional ​ ​ ​ ​ Other ​ ​ ​ ​ ​ ​ ​ ​ Common Stock ​ Paid-in ​ Retained ​ Comprehensive ​ Noncontrolling ​ ​ ​ ​ ​ Shares ​ Amount ​ Capital ​ Earnings ​ Income(Loss) ​ Interest ​ Total Balances at June 30, 2020 38,453 ​ $ 385 ​ $ 420,536 ​ $ 1,057,470 ​ $ (97,199) ​ $ — ​ $ 1,381,192 Cumulative effect adjustments due to adoption of new accounting standards ​ ​ ​ ​ ​ ​ (276) ​ ​ ​ ​ (276) Net earnings ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 33,395 ​ ​ ​ ​ ​ ​ ​ ​ 33,395 Other comprehensive income (loss) ​ ​ ​ ​ ​ ​ ​ 14,057 ​ ​ ​ 14,057 Common stock issued for exercise of options 117 ​ 1 ​ 13,727 ​ ​ ​ ​ ​ 13,728 Common stock issued for restricted stock awards 25 ​ 0 ​ (0) ​ (4,890) ​ ​ ​ (4,890) Cash dividends ​ ​ ​ ​ ​ ​ (12,336) ​ ​ ​ ​ (12,336) Stock-based compensation expense ​ ​ ​ ​ ​ 12,667 ​ ​ ​ ​ ​ 12,667 Common stock issued to employee stock purchase plan 6 ​ 0 ​ 1,463 ​ ​ ​ ​ ​ 1,463 Employee stock purchase plan expense ​ ​ ​ ​ ​ 286 ​ ​ ​ ​ ​ 286 Balances at September 30, 2020 38,601 ​ $ 386 ​ $ 448,679 ​ $ 1,073,362 ​ $ (83,142) ​ $ — ​ $ 1,439,285 Non-controlling interest in Eminence ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 8,985 ​ 8,985 Net earnings ​ ​ ​ ​ ​ ​ 46,274 ​ ​ ​ (130) ​ 46,144 Other comprehensive income (loss) ​ ​ ​ ​ ​ ​ ​ 18,904 ​ 83 ​ 18,987 Common stock issued for exercise of options 161 ​ 2 ​ 16,748 ​ (2,482) ​ ​ ​ 14,268 Common stock issued for restricted stock awards 3 ​ 0 ​ (0) ​ 0 ​ ​ ​ — Cash dividends ​ ​ ​ ​ ​ ​ (12,392) ​ ​ ​ ​ (12,392) Stock-based compensation expense ​ ​ ​ ​ ​ 15,471 ​ ​ ​ ​ ​ 15,471 Employee stock purchase plan expense ​ ​ ​ ​ ​ 106 ​ ​ ​ ​ ​ 106 Balances at December 31, 2020 38,765 ​ $ 388 ​ $ 481,004 ​ $ 1,104,762 ​ $ (64,238) ​ $ 8,938 ​ $ 1,530,854 Net earnings ​ ​ ​ ​ ​ ​ 45,782 ​ ​ ​ (380) ​ 45,402 Other comprehensive income (loss) ​ ​ ​ ​ ​ ​ ​ 215 ​ (69) ​ 146 Share repurchases ​ (120) ​ ​ (1) ​ ​ ​ ​ ​ (43,177) ​ ​ ​ ​ ​ ​ ​ ​ (43,178) Common stock issued for exercise of options 195 ​ 2 ​ 21,324 ​ (4,332) ​ ​ ​ 16,994 Common stock issued for restricted stock awards 10 ​ 0 ​ (0) ​ (1,801) ​ ​ ​ (1,801) Cash dividends ​ ​ ​ ​ ​ ​ (12,446) ​ ​ ​ ​ (12,446) Stock-based compensation expense ​ ​ ​ ​ ​ 10,232 ​ ​ ​ ​ ​ 10,232 Common stock issued to employee stock purchase plan ​ 4 ​ ​ 0 ​ ​ 1,328 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 1,328 Employee stock purchase plan expense ​ ​ ​ ​ ​ 411 ​ ​ ​ ​ ​ 411 Balances at March 31, 2021 38,854 ​ $ 389 ​ $ 514,299 ​ $ 1,088,788 ​ $ (64,023) ​ $ 8,489 ​ $ 1,547,942 ​ ​ ​ Accumulated Other Comprehensive Income The components of other comprehensive income (loss) consist of changes in foreign currency translation adjustments and changes in net unrealized gains (losses) on derivative instruments designated as cash flow hedges. The Company reclassified $4.0 million, net of taxes, from accumulated other comprehensive income (loss) to earnings during the nine months ended March 31, 2022. The Company reclassified $5.5 million, net of taxes, from accumulated other comprehensive income (loss) to earnings during the nine months ended March 31, 2021. The accumulated balances related to each component of other comprehensive income (loss) attributable to Bio-Techne, net of tax, are summarized as follows: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Unrealized ​ ​ ​ ​ ​ ​ ​ ​ Gains ​ Foreign ​ ​ ​ ​ ​ (Losses) on ​ Currency ​ ​ ​ ​ ​ Derivative ​ Translation ​ ​ ​ ​ Instruments Adjustments Total Balance as of June 30, 2021 ​ $ (6,193) ​ $ (51,098) ​ $ (57,291) Other comprehensive income (loss) before reclassifications, net of taxes, attributable to Bio-Techne ​ 7,757 ​ (9,599) ​ (1,842) Reclassification from loss on derivatives to interest expense, net of taxes, attributable to Bio-Techne (1) ​ 3,988 ​ $ — ​ $ 3,988 Balance as of March 31, 2022 (2) ​ $ 5,552 ​ ​ (60,697) ​ ​ (55,145) ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Unrealized ​ ​ ​ ​ ​ ​ ​ ​ Gains ​ Foreign ​ ​ ​ ​ ​ (Losses) on ​ Currency ​ ​ ​ ​ ​ Derivative ​ Translation ​ ​ ​ ​ Instruments Adjustments Total Balance as of June 30, 2020 attributable to Bio-Techne ​ $ (13,253) ​ $ (83,946) ​ $ (97,199) Other comprehensive income (loss), net of tax before reclassifications, attributable to Bio-Techne ​ (13) ​ 27,686 ​ 27,673 Reclassification from loss on derivatives to interest expense, net of taxes, attributable to Bio-Techne (3) ​ 5,503 ​ — ​ 5,503 Balance as of March 31, 2021 (2) ​ $ (7,763) ​ $ (56,260) ​ $ (64,023) ​ (1) Gains (losses) on the interest swap are reclassified into interest expense as payments on the derivative agreement are made. The Company reclassified $5,214 to interest expense and recorded a related tax benefit of $1,226 during the nine months ended March 31, 2022. (2) The Company had a net deferred tax liability of $1,706 and a net deferred tax benefit of $2,394 included in the accumulated other comprehensive income loss as of March 31, 2022 and 2021, respectively. (3) Gains (losses) on the interest swap are reclassified into interest expense as payments on the derivative agreement are made. The Company reclassified $6,662 to interest expense and $512 to non-operating income relating to variable interest payments that were probable not to occur in the nine months ended March 31, 2021. The Company also recorded a related tax benefit of $1,670 during the nine months ended March 31, 2021. |