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Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total AECOM Stockholders' Equity | Common Stock | Additional Paid-In Capital | Accumulated Other Comprehensive Loss | Retained Earnings | Non-Controlling Interests | Total
--- | --- | --- | --- | --- | --- | --- | ---
BALANCE at Sep. 30, 2018 | $ 4,092,780 | $ 1,570 | $ 3,846,392 | $ (703,330) | $ 948,148 | $ 185,594 | $ 4,278,374
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Net income | 51,519 |  |  |  | 51,519 | 13,567 | 65,086
Other comprehensive loss | (22,815) |  |  | (22,815) |  | 58 | (22,757)
Issuance of stock | 5,485 | 24 | 5,461 |  |  |  | 5,485
Repurchases of stock | (52,347) | (24) | (22,339) |  | (29,984) |  | (52,347)
Stock based compensation | 15,631 |  | 15,631 |  |  |  | 15,631
Other transactions with noncontrolling interests |  |  |  |  |  | 2,187 | 2,187
Contributions from noncontrolling interests |  |  |  |  |  | 3,150 | 3,150
Distributions to noncontrolling interests |  |  |  |  |  | (31,927) | (31,927)
BALANCE at Dec. 31, 2018 | 4,077,800 | 1,570 | 3,845,145 | (726,145) | 957,230 | 172,629 | 4,250,429
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Cumulative effect of accounting standard adoption | (12,453) |  |  |  | (12,453) |  | (12,453)
BALANCE at Sep. 30, 2019 | 3,690,576 | 1,575 | 3,953,650 | (864,197) | 599,548 | 208,774 | 3,899,350
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Net income | 40,604 |  |  |  | 40,604 | 12,490 | 53,094
Other comprehensive loss | 41,531 |  |  | 41,531 |  | 107 | 41,638
Issuance of stock | 5,333 | 17 | 5,316 |  |  |  | 5,333
Repurchases of stock | (38,510) | (10) | (23,625) |  | (14,875) |  | (38,510)
Stock based compensation | 21,255 |  | 21,255 |  |  |  | 21,255
Other transactions with noncontrolling interests |  |  |  |  |  | (186) | (186)
Contributions from noncontrolling interests |  |  |  |  |  | 2,813 | 2,813
Distributions to noncontrolling interests |  |  |  |  |  | (37,596) | (37,596)
BALANCE at Dec. 31, 2019 | 3,673,002 | $ 1,582 | $ 3,956,596 | $ (822,666) | 537,490 | $ 186,402 | 3,859,404
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Cumulative effect of accounting standard adoption | $ (87,787) |  |  |  | $ (87,787) |  | $ (87,787)

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