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Consolidated Statements of Changes in Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands | Total | Ordinary Shares | Additional Paid-in Capital | Treasury Stock | Accumulated Other Comprehensive (Loss) Income | [1] | Retained Earnings | Total Amdocs Limited Shareholders' Equity | Non-controlling Interests
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Sep. 30, 2016 |  | $ 3,453,561 | $ 4,377 | $ 3,322,789 | $ (4,024,527) | $ 6,095 | $ 4,144,827 | $ 3,453,561 |
Balance, Shares at Sep. 30, 2016 |  |  | 147,134 |  |  |  |  |  |
Comprehensive income: |  |  |  |  |  |  |  |  |
Net income |  | 436,826 |  |  |  |  | 436,826 | 436,826 |
Other comprehensive income (loss), net of tax |  | 12,695 |  |  |  | 12,695 |  | 12,695 |
Comprehensive income |  | 449,521 |  |  |  |  |  | 449,521 |
Employee stock options exercised |  | 87,976 | $ 28 | 87,948 |  |  |  | 87,976 |
Employee stock options exercised, Shares |  |  | 2,220 |  |  |  |  |  |
Repurchase of shares |  | (340,597) |  |  | (340,597) |  |  | (340,597) |
Repurchase of shares, Shares |  |  | (5,519) |  |  |  |  |  |
Tax benefit from equity-based awards |  | 3,611 |  | 3,611 |  |  |  | 3,611 |
Cash dividends declared |  | (124,546) |  |  |  |  | (124,546) | (124,546) |
Issuance of restricted stock, net of forfeitures |  | 5 | $ 5 |  |  |  |  | 5 |
Issuance of restricted stock, net of forfeitures, Shares |  |  | 556 |  |  |  |  |  |
Equity-based compensation expense related to employees |  | 44,539 |  | 44,539 |  |  |  | 44,539 |
Balance at Sep. 30, 2017 |  | 3,574,070 | $ 4,410 | 3,458,887 | (4,365,124) | 18,790 | 4,457,107 | 3,574,070 |
Balance, Shares at Sep. 30, 2017 |  |  | 144,391 |  |  |  |  |  |
Comprehensive income: |  |  |  |  |  |  |  |  |
Net income | [2] | 354,396 |  |  |  |  | 354,396 | 354,396 |
Other comprehensive income (loss), net of tax |  | (51,521) |  |  |  | (51,521) |  | (51,521) |
Comprehensive income |  | 302,875 |  |  |  |  |  | 302,875 |
Employee stock options exercised |  | 81,286 | $ 24 | 81,262 |  |  |  | 81,286 |
Employee stock options exercised, Shares |  |  | 1,800 |  |  |  |  |  |
Repurchase of shares |  | (419,228) |  |  | (419,228) |  |  | (419,228) |
Repurchase of shares, Shares |  |  | (6,337) |  |  |  |  |  |
Cash dividends declared |  | (137,602) |  |  |  |  | (137,602) | (137,602) |
Issuance of restricted stock, net of forfeitures |  | 2 | $ 2 |  |  |  |  | 2 |
Issuance of restricted stock, net of forfeitures, Shares |  |  | 323 |  |  |  |  |  |
Equity-based compensation expense related to employees |  | 47,476 |  | 47,476 |  |  |  | 47,476 |
Changes in Noncontrolling interests |  | 43,163 |  |  |  |  |  |  | 43,163
Balance at Sep. 30, 2018 |  | $ 3,492,042 | $ 4,436 | 3,587,625 | (4,784,352) | (32,731) | 4,673,901 | 3,448,879 | 43,163
Balance, Shares at Sep. 30, 2018 |  | 140,177 | 140,177 |  |  |  |  |  |
Comprehensive income: |  |  |  |  |  |  |  |  |
Net income | [2] | $ 479,446 |  |  |  |  | 479,446 | 479,446 |
Other comprehensive income (loss), net of tax |  | 30,184 |  |  |  | 30,184 |  | 30,184 |
Comprehensive income |  | 509,630 |  |  |  |  |  | 509,630 |
Employee stock options exercised |  | $ 41,498 | $ 11 | 41,487 |  |  |  | 41,498 |
Employee stock options exercised, Shares |  | 874 | 874 |  |  |  |  |  |
Repurchase of shares |  | $ (398,057) |  |  | (398,057) |  |  | (398,057) |
Repurchase of shares, Shares |  | (6,656) | (6,656) |  |  |  |  |  |
Cash dividends declared |  | $ (150,982) |  |  |  |  | (150,982) | (150,982) |
Issuance of restricted stock, net of forfeitures |  | 5 | $ 5 |  |  |  |  | 5 |
Issuance of restricted stock, net of forfeitures, Shares |  |  | 378 |  |  |  |  |  |
Equity-based compensation expense related to employees |  | 38,550 |  | 38,550 |  |  |  | 38,550 |
Changes in Noncontrolling interests |  | (654) |  |  |  |  |  |  | (654)
Balance at Sep. 30, 2019 |  | $ 3,542,466 | $ 4,452 | $ 3,667,662 | $ (5,182,409) | $ (2,547) | 5,012,799 | 3,499,957 | $ 42,509
Balance, Shares at Sep. 30, 2019 |  | 134,773 | 134,773 |  |  |  |  |  |
Cumulative effect adjustment | [3] | $ 10,434 |  |  |  |  | $ 10,434 | $ 10,434 |
[1] | As of September 30, 2019, 2018 and 2017, accumulated other comprehensive (loss) income is comprised of unrealized gain (loss) on derivatives, net of tax, of $3,945, $(26,608) and $24,508 , unrealized loss on short-term interest-bearing investments, net of tax, of $0, $(1,592) and $(410) and unrealized loss on defined benefit plan, net of tax, of $(6,492), $(4,531) and $(5,308).
[2] | In fiscal years 2019 and 2018, all of the Company’s net income is attributable to Amdocs Limited as the net income attributable to the Non-controlling interests is negligible.
[3] | The Cumulative effect adjustments as of October 1, 2018 include an increase of $14,294 to retained earnings due to the impact of adoptions of ASU No. 2014-09 (ASC 606) and decrease of $3,860 to retained earnings due to adoption of ASU No. 2016-16.

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