Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Supplemental Equity and Accumulated Other Comprehensive Income (Loss) - Consolidated Changes in Equity (Details)

Note 8 - Supplemental Equity and Accumulated Other Comprehensive Income (Loss) - Consolidated Changes in Equity (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Balances (in shares)	38,955,484
Balances	$ 1,571,234	$ 1,381,192
Net earnings, including noncontrolling interest	68,981	33,395
Other comprehensive income (loss)	$ (6,964)	$ 14,057
Common stock issued for exercise of options (in shares)	336,565	116,816
Common stock issued for exercise of options	$ 22,867	$ 13,728
Common stock issued for restricted stock awards	(9,765)	(4,890)
Cash dividends	(12,493)	(12,336)
Stock-based compensation expense	11,396	12,667
Common stock issued to employee stock purchase plan	1,358	1,463
Employee stock purchase plan expense	$ 341	286
Balances (in shares)	39,273,057
Balances	$ 1,646,955	1,439,285
Cumulative Effect, Period of Adoption, Adjustment [Member]
Balances		$ (276)
Common Stock [Member]
Balances (in shares)	38,955,000	38,453,000
Balances	$ 390	$ 385
Common stock issued for exercise of options (in shares)	295,000	117,000
Common stock issued for exercise of options	$ 3	$ 1
Common stock issued for restricted stock awards (in shares)	20,000	25,000
Common stock issued for restricted stock awards	$ 0	$ 0
Common stock issued to employee stock purchase plan (in shares)	3,000	6,000
Common stock issued to employee stock purchase plan	$ 0	$ 0
Balances (in shares)	39,273,000	38,601,000
Balances	$ 393	$ 386
Additional Paid-in Capital [Member]
Balances	534,411	420,536
Common stock issued for exercise of options	36,345	13,727
Common stock issued for restricted stock awards	0
Stock-based compensation expense	11,396	12,667
Common stock issued to employee stock purchase plan	1,358	1,463
Employee stock purchase plan expense	341	286
Balances	583,851	448,679
Retained Earnings [Member]
Balances	1,085,461	1,057,470
Net earnings, including noncontrolling interest	69,615	33,395
Common stock issued for restricted stock awards	(9,765)	(4,890)
Cash dividends	(12,493)	(12,336)
Balances	1,119,337	1,073,362
Retained Earnings [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Balances		(276)
AOCI Attributable to Parent [Member]
Balances	(57,291)	(97,199)
Other comprehensive income (loss)	(6,925)	14,057
Balances	(64,216)	$ (83,142)
Noncontrolling Interest [Member]
Balances	8,263
Balances	$ 7,590