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Shareholders' Equity | 12 Months Ended
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Sep. 30, 2020
Stockholders Equity Note [Abstract] |
Shareholders' Equity | 19. Shareholders’ Equity In May 2019, the Company’s Board of Directors approved a Common Stock repurchase authorization of 10,000,000 shares. The Company repurchased 550,853 shares of its Common Stock under this authorization in fiscal 2020 at a cost of $40.8 million. The Company repurchased 4,866,532 shares of Common Stock under this authorization in fiscal 2019 at a cost of $350.1 million. The Company repurchased 3,273,040 shares of Common Stock under this authorization in fiscal 2018 at a cost of $249.3 million. The Company has remaining authority to repurchase 7,459,328 shares of Common Stock as of September 30, 2020.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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