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CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Common Shares and Additional Paid in Capital | Treasury Stock | Retained Earnings | Accumulated Other Comprehensive Income | Non-Controlling Interests
--- | --- | --- | --- | --- | --- | ---
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Cumulative effect of new accounting principle | Accounting Standards Update 2016-16 | $ (26,780) |  |  | $ (26,780) |  |
Cumulative effect of new accounting principle | Accounting Standards Update 2014-09 | 29,786 |  |  | 29,786 |  |
Balance (in shares) at Jun. 30, 2018 |  | 267,651,000 | (691,000) |  |  |
Balance at Jun. 30, 2018 | 3,717,258 | $ 1,707,073 | $ (18,732) | 1,994,235 | $ 33,645 | $ 1,037
Issuance of Common Shares |  |  |  |  |  |
Under employee stock option plans (in shares) |  | 556,000 |  |  |  |
Under employee stock option plans | 14,171 | $ 14,171 |  |  |  |
Under employee stock purchase plans (in shares) |  | 362,000 |  |  |  |
Under employee stock purchase plans | 11,265 | $ 11,265 |  |  |  |
Share-based compensation | $ 13,440 | 13,440 |  |  |  |
Purchase of treasury stock (in shares) | (674,265) |  | (674,000) |  |  |
Purchase of treasury stock | $ (24,534) |  | $ (24,534) |  |  |
Issuance of treasury stock | $ 0 | (14,025) | $ 14,025 |  |  |
Issuance of treasury stock (in shares) | 547,897 |  | 548,000 |  |  |
Dividends declared | $ (81,166) |  |  | (81,166) |  |
Other comprehensive income (loss) - net | (7,674) |  |  |  | (7,674) |
Non-controlling interest | (583) | $ (625) |  |  |  | 42
Net income for the quarter | 140,829 |  |  | 140,756 |  | 73
Balance (in shares) at Dec. 31, 2018 |  | 268,569,000 | (817,000) |  |  |
Balance at Dec. 31, 2018 | 3,786,012 | $ 1,731,299 | $ (29,241) | 2,056,831 | 25,971 | 1,152
Balance (in shares) at Sep. 30, 2018 |  | 268,332,000 | (992,000) |  |  |
Balance at Sep. 30, 2018 | 3,727,030 | $ 1,730,933 | $ (30,381) | 1,993,099 | 32,256 | 1,123
Issuance of Common Shares |  |  |  |  |  |
Under employee stock option plans (in shares) |  | 62,000 |  |  |  |
Under employee stock option plans | 1,740 | $ 1,740 |  |  |  |
Under employee stock purchase plans (in shares) |  | 175,000 |  |  |  |
Under employee stock purchase plans | 5,696 | $ 5,696 |  |  |  |
Share-based compensation | $ 6,885 | 6,885 |  |  |  |
Purchase of treasury stock (in shares) | (370,265) |  | (370,000) |  |  |
Purchase of treasury stock | $ (12,815) |  | $ (12,815) |  |  |
Issuance of treasury stock | $ 0 | $ (13,955) | $ 13,955 |  |  |
Issuance of treasury stock (in shares) | 544,929 |  | 545,000 |  |  |
Dividends declared | $ (40,700) |  |  | (40,700) |  |
Other comprehensive income (loss) - net | (6,285) |  |  |  | (6,285) |
Net income for the quarter | 104,461 |  |  | 104,432 |  | 29
Balance (in shares) at Dec. 31, 2018 |  | 268,569,000 | (817,000) |  |  |
Balance at Dec. 31, 2018 | 3,786,012 | $ 1,731,299 | $ (29,241) | 2,056,831 | 25,971 | 1,152
Balance (in shares) at Jun. 30, 2019 |  | 269,834,000 | (803,000) |  |  |
Balance at Jun. 30, 2019 | $ 3,884,670 | $ 1,774,214 | $ (28,766) | 2,113,883 | 24,124 | 1,215
Issuance of Common Shares |  |  |  |  |  |
Under employee stock option plans (in shares) | 414,682 | 415,000 |  |  |  |
Under employee stock option plans | $ 11,359 | $ 11,359 |  |  |  |
Under employee stock purchase plans (in shares) |  | 360,000 |  |  |  |
Under employee stock purchase plans | 12,540 | $ 12,540 |  |  |  |
Share-based compensation | $ 14,674 | 14,674 |  |  |  |
Purchase of treasury stock (in shares) | (300,000) |  | (300,000) |  |  |
Purchase of treasury stock | $ (12,424) |  | $ (12,424) |  |  |
Issuance of treasury stock | $ 0 | $ (9,124) | $ 9,124 |  |  |
Issuance of treasury stock (in shares) | 255,502 |  | 256,000 |  |  |
Dividends declared | $ (94,098) |  |  | (94,098) |  |
Other comprehensive income (loss) - net | 566 |  |  |  | 566 |
Net income for the quarter | 181,945 |  |  | 181,868 |  | 77
Balance (in shares) at Dec. 31, 2019 |  | 270,609,000 | (847,000) |  |  |
Balance at Dec. 31, 2019 | 3,999,232 | $ 1,803,663 | $ (32,066) | 2,201,653 | 24,690 | 1,292
Balance (in shares) at Sep. 30, 2019 |  | 270,190,000 | (1,103,000) |  |  |
Balance at Sep. 30, 2019 | 3,908,114 | $ 1,791,689 | $ (41,190) | 2,141,278 | 15,096 | 1,241
Issuance of Common Shares |  |  |  |  |  |
Under employee stock option plans (in shares) |  | 231,000 |  |  |  |
Under employee stock option plans | 6,783 | $ 6,783 |  |  |  |
Under employee stock purchase plans (in shares) |  | 188,000 |  |  |  |
Under employee stock purchase plans | 6,532 | $ 6,532 |  |  |  |
Share-based compensation | $ 7,783 | 7,783 |  |  |  |
Purchase of treasury stock (in shares) | 0 |  |  |  |  |
Issuance of treasury stock | $ 0 | $ (9,124) | $ 9,124 |  |  |
Issuance of treasury stock (in shares) | 255,502 |  | 256,000 |  |  |
Dividends declared | $ (47,092) |  |  | (47,092) |  |
Other comprehensive income (loss) - net | 9,594 |  |  |  | 9,594 |
Net income for the quarter | 107,518 |  |  | 107,467 |  | 51
Balance (in shares) at Dec. 31, 2019 |  | 270,609,000 | (847,000) |  |  |
Balance at Dec. 31, 2019 | $ 3,999,232 | $ 1,803,663 | $ (32,066) | $ 2,201,653 | $ 24,690 | $ 1,292

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