Note 8 - Supplemental Equity and Accumulated Other Comprehensive Income (Loss) - Consolidated Changes in Equity (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2019 |
Sep. 30, 2019 |
Dec. 31, 2018 |
Sep. 30, 2018 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|||||||||
Balance (in shares) | 37,934,040 | 37,934,040 | ||||||||||||
Balance | $ 1,174,224,000 | $ 1,165,589,000 | $ 1,109,469,000 | $ 1,079,061,000 | $ 1,165,589,000 | $ 1,079,061,000 | ||||||||
Cumulative effect adjustments due to adoption of new accounting standards and other | (879,000) | 594,000 | (879,000) | 594,000 | ||||||||||
Net earnings | 119,622,000 | 14,398,000 | 17,556,000 | 17,403,000 | 134,018,000 | 34,958,000 | ||||||||
Other comprehensive income (loss) | 13,275,000 | (8,106,000) | $ (12,379,000) | (1,136,000) | $ 5,169,000 | $ (13,515,000) | ||||||||
Common stock issued for exercise of options (in shares) | 24,000 | 287,595 | 189,627 | |||||||||||
Common stock issued for exercise of options | 18,295,000 | 7,855,000 | $ 2,408,000 | 15,611,000 | ||||||||||
Common stock issued for restricted stock awards | 0 | (1,926,000) | 0 | (2,405,000) | ||||||||||
Cash dividends | (12,197,000) | (12,169,000) | 0 | (12,066,000) | ||||||||||
Stock-based compensation expense | 10,017,000 | 8,267,000 | 6,784,000 | 11,327,000 | ||||||||||
Common stock issued to employee stock purchase plan | 1,096,000 | 0 | 842,000 | |||||||||||
Employee stock purchase plan expense | $ 112,000 | 99,000 | 77,000 | 238,000 | ||||||||||
Share repurchases | (15,404,000) | |||||||||||||
Balance (in shares) | 38,282,251 | 38,282,251 | ||||||||||||
Balance | $ 1,323,348,000 | $ 1,174,224,000 | $ 1,096,425,000 | $ 1,109,469,000 | $ 1,323,348,000 | $ 1,096,425,000 | ||||||||
Common Stock [Member] | ||||||||||||||
Balance (in shares) | 38,084,000 | 37,934,000 | 37,803,000 | 37,608,000 | 37,934,000 | 37,608,000 | ||||||||
Balance | $ 381,000 | $ 379,000 | $ 378,000 | $ 376,000 | $ 379,000 | $ 376,000 | ||||||||
Common stock issued for exercise of options (in shares) | 195,000 | 94,000 | 166,000 | |||||||||||
Common stock issued for exercise of options | $ 2,000 | $ 1,000 | $ 2,000 | |||||||||||
Common stock issued for restricted stock awards (in shares) | 4,000 | 50,000 | 3,000 | 24,000 | ||||||||||
Common stock issued for restricted stock awards | $ 0 | $ 0 | $ 0 | $ 0 | ||||||||||
Common stock issued to employee stock purchase plan (in shares) | 6,000 | 0 | 5,000 | |||||||||||
Common stock issued to employee stock purchase plan | $ 0 | $ 0 | $ 0 | |||||||||||
Share repurchases (in shares) | (95,000) | |||||||||||||
Share repurchases | $ (1,000) | |||||||||||||
Balance (in shares) | 38,283,000 | 38,084,000 | 37,735,000 | 37,803,000 | 38,283,000 | 37,735,000 | ||||||||
Balance | $ 383,000 | $ 381,000 | $ 377,000 | $ 378,000 | $ 383,000 | $ 377,000 | ||||||||
Additional Paid-in Capital [Member] | ||||||||||||||
Balance | 334,112,000 | 316,797,000 | 274,584,000 | 246,568,000 | 316,797,000 | 246,568,000 | ||||||||
Common stock issued for exercise of options | 18,293,000 | 7,854,000 | 15,609,000 | |||||||||||
Common stock issued for restricted stock awards | (0) | (0) | ||||||||||||
Stock-based compensation expense | 10,017,000 | 8,267,000 | 6,784,000 | 11,327,000 | ||||||||||
Common stock issued to employee stock purchase plan | 1,096,000 | 842,000 | ||||||||||||
Employee stock purchase plan expense | 112,000 | 99,000 | 77,000 | 238,000 | ||||||||||
Balance | 362,534,000 | 334,112,000 | 283,854,000 | 274,584,000 | 362,534,000 | 283,854,000 | ||||||||
Retained Earnings [Member] | ||||||||||||||
Balance | 931,358,000 | 931,934,000 | 905,139,000 | 876,931,000 | 931,934,000 | 876,931,000 | ||||||||
Cumulative effect adjustments due to adoption of new accounting standards and other | (879,000) | 25,276,000 | (879,000) | 25,276,000 | ||||||||||
Net earnings | 119,622,000 | 14,398,000 | 17,556,000 | 17,403,000 | ||||||||||
Common stock issued for restricted stock awards | (1,926,000) | (2,405,000) | ||||||||||||
Cash dividends | (12,197,000) | (12,169,000) | (12,086,000) | (12,066,000) | ||||||||||
Balance | 1,038,783,000 | 931,358,000 | 895,205,000 | 905,139,000 | 1,038,783,000 | 895,205,000 | ||||||||
AOCI Attributable to Parent [Member] | ||||||||||||||
Balance | (91,627,000) | (83,521,000) | (70,632,000) | (44,814,000) | (83,521,000) | (44,814,000) | ||||||||
Cumulative effect adjustments due to adoption of new accounting standards and other | (24,682,000) | (24,682,000) | ||||||||||||
Other comprehensive income (loss) | 13,275,000 | (8,106,000) | (12,379,000) | (1,136,000) | ||||||||||
Balance | $ (78,352,000) | [1],[2] | $ (91,627,000) | $ (83,011,000) | [1] | $ (70,632,000) | $ (78,352,000) | [1],[2] | $ (83,011,000) | [1] | ||||
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