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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions | Total | Restricted shares | Restricted stock units | Common stock | Common stock Restricted shares | Common stock Restricted stock units | Additional capital in excess of par value | Additional capital in excess of par value Restricted shares | Additional capital in excess of par value Restricted stock units | Retained earnings | AOCI | [1]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balances (in shares) at Dec. 31, 2016 |  |  |  | 244,784,000 |  |  |  |  |  |  |
Beginning balances at Dec. 31, 2016 | $ 5,008.6 |  |  | $ 49.0 |  |  | $ 654.5 |  |  | $ 4,293.6 | $ 11.5
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Net income | 1,497.8 |  |  |  |  |  |  |  |  | 1,497.8 |
Other comprehensive income (loss), net of tax | (15.1) |  |  |  |  |  |  |  |  |  | (15.1)
Dividends declared | (562.6) |  |  |  |  |  |  |  |  | (562.6) |
Common stock-based compensation plans activity: |  |  |  |  |  |  |  |  |  |  |
Shares issued upon option exercises (in shares) |  |  |  | 6,339,000 |  |  |  |  |  |  |
Shares issued upon option exercises | 252.2 |  |  | $ 1.2 |  |  | 251.0 |  |  |  |
Stock issued, restricted stock award, net of shares withheld for taxes (in shares) |  |  |  |  | 170,000 | 789,000 |  |  |  |  |
Stock issued, restricted stock award, net of shares withheld for taxes |  | $ (19.2) | $ (31.2) |  |  | $ 0.1 |  | $ (19.2) | $ (31.3) |  |
Forfeiture of restricted awards (in shares) |  |  |  | (19,000) |  |  |  |  |  |  |
Forfeiture of restricted awards | 0.0 |  |  |  |  |  |  |  |  |  |
Stock-based compensation expense | 152.0 |  |  |  |  |  | 152.0 |  |  |  |
Restricted stock units issued as dividend equivalents | 0.0 |  |  |  |  |  | 0.2 |  |  | (0.2) |
Common shares repurchased (shares) |  |  |  | (6,612,000) |  |  |  |  |  |  |
Common shares repurchased | (458.1) |  |  | $ (1.3) |  |  | (161.1) |  |  | (295.7) |
Balances (in shares) at Dec. 31, 2017 |  |  |  | 245,111,000 |  |  |  |  |  |  |
Ending balances at Dec. 31, 2017 | 5,824.4 |  |  | $ 49.0 |  |  | 846.1 |  |  | 4,932.9 | (3.6)
Beginning balances attributable to redeemable non-controlling interests at Dec. 31, 2016 | 687.2 |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Net income attributable to redeemable non-controlling interests | 83.4 |  |  |  |  |  |  |  |  |  |
Other comprehensive loss, net of tax, attributable to redeemable non-controlling interests | 21.2 |  |  |  |  |  |  |  |  |  |
Net subscriptions into T. Rowe Price investment products | 1,243.7 |  |  |  |  |  |  |  |  |  |
Net deconsolidations of T. Rowe Price investment products | (1,042.7) |  |  |  |  |  |  |  |  |  |
Ending balances attributable to redeemable non-controlling interests at Dec. 31, 2017 | 992.8 |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Net income | 1,837.5 |  |  |  |  |  |  |  |  | 1,837.5 |
Other comprehensive income (loss), net of tax | (28.2) |  |  |  |  |  |  |  |  |  | (28.2)
Dividends declared | (694.7) |  |  |  |  |  |  |  |  | (694.7) |
Common stock-based compensation plans activity: |  |  |  |  |  |  |  |  |  |  |
Shares issued upon option exercises (in shares) |  |  |  | 2,870,000 |  |  |  |  |  |  |
Shares issued upon option exercises | 121.3 |  |  | $ 0.5 |  |  | 120.8 |  |  |  |
Stock issued, restricted stock award, net of shares withheld for taxes (in shares) |  |  |  |  | 115,000 | 1,053,000 |  |  |  |  |
Stock issued, restricted stock award, net of shares withheld for taxes |  | (11.4) | (36.6) |  |  | $ 0.2 |  | (11.4) | (36.8) |  |
Forfeiture of restricted awards (in shares) |  |  |  | (14,000) |  |  |  |  |  |  |
Forfeiture of restricted awards | 0.0 |  |  |  |  |  |  |  |  |  |
Stock-based compensation expense | 197.1 |  |  |  |  |  | 197.1 |  |  |  |
Restricted stock units issued as dividend equivalents | 0.0 |  |  |  |  |  | 0.2 |  |  | (0.2) |
Common shares repurchased (shares) |  |  |  | (10,836,000) |  |  |  |  |  |  |
Common shares repurchased | (1,099.6) |  |  | $ (2.1) |  |  | (461.4) |  |  | (636.1) |
Balances (in shares) at Dec. 31, 2018 |  |  |  | 238,069,000 |  |  |  |  |  |  |
Ending balances at Dec. 31, 2018 | 6,124.3 |  |  | $ 47.6 |  |  | 654.6 |  |  | 5,464.1 | (42.0)
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Net income attributable to redeemable non-controlling interests | (68.8) |  |  |  |  |  |  |  |  |  |
Other comprehensive loss, net of tax, attributable to redeemable non-controlling interests | (26.1) |  |  |  |  |  |  |  |  |  |
Net subscriptions into T. Rowe Price investment products | 468.8 |  |  |  |  |  |  |  |  |  |
Net deconsolidations of T. Rowe Price investment products | (626.4) |  |  |  |  |  |  |  |  |  |
Ending balances attributable to redeemable non-controlling interests at Dec. 31, 2018 | 740.3 |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Net income | 2,131.3 |  |  |  |  |  |  |  |  | 2,131.3 |
Other comprehensive income (loss), net of tax | (1.0) |  |  |  |  |  |  |  |  |  | (1.0)
Dividends declared | $ (733.6) |  |  |  |  |  |  |  |  | (733.6) |
Common stock-based compensation plans activity: |  |  |  |  |  |  |  |  |  |  |
Shares issued upon option exercises (in shares) | 3,787,735 |  |  | 2,924,000 |  |  |  |  |  |  |
Shares issued upon option exercises | $ 148.5 |  |  | $ 0.6 |  |  | 147.9 |  |  |  |
Stock issued, restricted stock award, net of shares withheld for taxes (in shares) |  |  |  |  | 41,000 | 1,245,000 |  |  |  |  |
Stock issued, restricted stock award, net of shares withheld for taxes |  | $ (5.9) | $ (59.3) |  |  | $ 0.2 |  | $ (5.9) | $ (59.5) |  |
Forfeiture of restricted awards (in shares) |  |  |  | (10,000) |  |  |  |  |  |  |
Forfeiture of restricted awards | 0.0 |  |  |  |  |  |  |  |  |  |
Stock-based compensation expense | 206.6 |  |  |  |  |  | 206.6 |  |  |  |
Restricted stock units issued as dividend equivalents | 0.0 |  |  |  |  |  | 0.2 |  |  | (0.2) |
Common shares repurchased (shares) |  |  |  | (6,973,000) |  |  |  |  |  |  |
Common shares repurchased | (708.8) |  |  | $ (1.4) |  |  | (289.3) |  |  | (418.1) |
Balances (in shares) at Dec. 31, 2019 |  |  |  | 235,214,000 |  |  |  |  |  |  |
Ending balances at Dec. 31, 2019 | 7,102.1 |  |  | $ 47.0 |  |  | $ 654.6 |  |  | $ 6,443.5 | $ (43.0)
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Net income attributable to redeemable non-controlling interests | 117.6 |  |  |  |  |  |  |  |  |  |
Other comprehensive loss, net of tax, attributable to redeemable non-controlling interests | 0.4 |  |  |  |  |  |  |  |  |  |
Net subscriptions into T. Rowe Price investment products | 530.3 |  |  |  |  |  |  |  |  |  |
Net deconsolidations of T. Rowe Price investment products | (267.6) |  |  |  |  |  |  |  |  |  |
Ending balances attributable to redeemable non-controlling interests at Dec. 31, 2019 | $ 1,121.0 |  |  |  |  |  |  |  |  |  |
[1] | Accumulated other comprehensive income

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