UNAUDITED CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions | Total | Restricted stock units [Member] | Common stock [Member] | Common stock [Member]Restricted stock units [Member] | Additional capital in excess of par value [Member] | Additional capital in excess of par value [Member]Restricted stock units [Member] | Retained earnings [Member] | Accumulated other comprehensive income (loss) [Member] | [2] |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | |
Cumulative effect adjustment upon adoption of new accounting guidance | Accounting standards update 2016-01 [Member] | [1] | $ 14.5 | | | | | | $ 22.4 | $ (7.9) |
Cumulative effect adjustment upon adoption of new accounting guidance | Accounting standards update 2018-02, currency translation adjustments [Member] | | 0 | | | | | | 2.3 | (2.3) |
Balances, As Adjusted | | 5,838.9 | | $ 49 | | $ 846.1 | | 4,957.6 | (13.8) |
Balances (in shares) at Dec. 31, 2017 | | | | 245,111,000 | | | | | |
Beginning Balance at Dec. 31, 2017 | | 5,824.4 | | $ 49 | | 846.1 | | 4,932.9 | (3.6) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | |
Net income | | 902.6 | | | | | | 902.6 | |
Other comprehensive income (loss), net of tax | | (9.9) | | | | | | | (9.9) |
Dividends declared | | (348.8) | | | | | | (348.8) | |
Common stock-based compensation plans activity | | | | | | | | | |
Shares issued upon option exercises (shares) | | | | 2,241,000 | | | | | |
Shares issued upon option exercises | | 92.1 | | $ 0.4 | | 91.7 | | | |
Restricted shares issued, net of shares withheld for taxes (in shares) | | | | | 8,000 | | | | |
Restricted shares issued, net of shares withheld for taxes | | | $ (0.1) | | | | $ (0.1) | | |
Net shares issued upon vesting of restricted stock units (in shares) | | | | | 56,000 | | | | |
Net shares issued upon vesting of restricted stock units | | | (0.7) | | | | (0.7) | | |
Forfeiture of restricted awards (shares) | | | | (6,000) | | | | | |
Stock-based compensation expense | | 90.8 | | | | 90.8 | | | |
Restricted stock units issued as dividend equivalents | | | | | | 0.1 | | (0.1) | |
Common shares repurchased (shares) | | | | (4,230,000) | | | | | |
Common shares repurchased | | (450.3) | | $ (0.8) | | (373.3) | | (76.2) | |
Balances (in shares) at Jun. 30, 2018 | | | | 243,180,000 | | | | | |
Ending Balance at Jun. 30, 2018 | | 6,114.6 | | $ 48.6 | | 654.6 | | 5,435.1 | (23.7) |
Beginning balances attributable to redeemable non-controlling interests at Dec. 31, 2017 | | 992.8 | | | | | | | |
Increase (Decrease) in Temporary Equity [Roll Forward] | | | | | | | | | |
Net income (loss) attributable to redeemable non-controlling interests | | 12.5 | | | | | | | |
Other comprehensive income (loss), net of tax, attributable to redeemable non-controlling interests | | (13.5) | | | | | | | |
Net subscriptions into consolidated T. Rowe Price investment products | | 322.6 | | | | | | | |
Net reconsolidations (deconsolidations) of T. Rowe Price investment products | | (575.2) | | | | | | | |
Ending balances attributable to redeemable non-controlling interests at Jun. 30, 2018 | | 739.2 | | | | | | | |
Balances (in shares) at Mar. 31, 2018 | | | | 243,282,000 | | | | | |
Beginning Balance at Mar. 31, 2018 | | 5,901.9 | | $ 48.7 | | 654.6 | | 5,205 | (6.4) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | |
Net income | | 448.9 | | | | | | 448.9 | |
Other comprehensive income (loss), net of tax | | (17.3) | | | | | | | (17.3) |
Dividends declared | | (173.9) | | | | | | (173.9) | |
Common stock-based compensation plans activity | | | | | | | | | |
Shares issued upon option exercises (shares) | | | | 1,138,000 | | | | | |
Shares issued upon option exercises | | 47 | | $ 0.2 | | 46.8 | | | |
Restricted shares issued, net of shares withheld for taxes (in shares) | | | | | 8,000 | | | | |
Restricted shares issued, net of shares withheld for taxes | | | (0.1) | | | | (0.1) | | |
Net shares issued upon vesting of restricted stock units (in shares) | | | | | 50,000 | | | | |
Net shares issued upon vesting of restricted stock units | | | (0.3) | | | | (0.3) | | |
Forfeiture of restricted awards (shares) | | | | (2,000) | | | | | |
Stock-based compensation expense | | 45.2 | | | | 45.2 | | | |
Common shares repurchased (shares) | | | | (1,296,000) | | | | | |
Common shares repurchased | | (136.8) | | $ (0.3) | | (91.6) | | (44.9) | |
Balances (in shares) at Jun. 30, 2018 | | | | 243,180,000 | | | | | |
Ending Balance at Jun. 30, 2018 | | 6,114.6 | | $ 48.6 | | 654.6 | | 5,435.1 | (23.7) |
Beginning balances attributable to redeemable non-controlling interests at Mar. 31, 2018 | | 546.5 | | | | | | | |
Increase (Decrease) in Temporary Equity [Roll Forward] | | | | | | | | | |
Net income (loss) attributable to redeemable non-controlling interests | | 10.7 | | | | | | | |
Other comprehensive income (loss), net of tax, attributable to redeemable non-controlling interests | | (20.5) | | | | | | | |
Net subscriptions into consolidated T. Rowe Price investment products | | 144.8 | | | | | | | |
Net reconsolidations (deconsolidations) of T. Rowe Price investment products | | 57.7 | | | | | | | |
Ending balances attributable to redeemable non-controlling interests at Jun. 30, 2018 | | 739.2 | | | | | | | |
Balances (in shares) at Dec. 31, 2018 | | | | 238,069,000 | | | | | |
Beginning Balance at Dec. 31, 2018 | | 6,124.3 | | $ 47.6 | | 654.6 | | 5,464.1 | (42) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | |
Net income | | 1,040.1 | | | | | | 1,040.1 | |
Other comprehensive income (loss), net of tax | | 3.5 | | | | | | | 3.5 |
Dividends declared | | $ (367.2) | | | | | | (367.2) | |
Common stock-based compensation plans activity | | | | | | | | | |
Shares issued upon option exercises (shares) | | 1,765,404 | | 1,495,000 | | | | | |
Shares issued upon option exercises | | $ 82.8 | | $ 0.3 | | 82.5 | | | |
Restricted shares issued, net of shares withheld for taxes (in shares) | | | | | 7,000 | | | | |
Restricted shares issued, net of shares withheld for taxes | | | (0.1) | | | | (0.1) | | |
Net shares issued upon vesting of restricted stock units (in shares) | | | | | 33,000 | | | | |
Net shares issued upon vesting of restricted stock units | | | (1.4) | | | | (1.4) | | |
Forfeiture of restricted awards (shares) | | | | (7,000) | | | | | |
Stock-based compensation expense | | 90.7 | | | | 90.7 | | | |
Restricted stock units issued as dividend equivalents | | 0 | | | | 0.1 | | (0.1) | |
Common shares repurchased (shares) | | | | (4,079,000) | | | | | |
Common shares repurchased | | (393.6) | | $ (0.8) | | (171.8) | | (221) | |
Balances (in shares) at Jun. 30, 2019 | | | | 235,518,000 | | | | | |
Ending Balance at Jun. 30, 2019 | | 6,579.1 | | $ 47.1 | | 654.6 | | 5,915.9 | (38.5) |
Beginning balances attributable to redeemable non-controlling interests at Dec. 31, 2018 | | 740.3 | | | | | | | |
Increase (Decrease) in Temporary Equity [Roll Forward] | | | | | | | | | |
Net income (loss) attributable to redeemable non-controlling interests | | 69.8 | | | | | | | |
Other comprehensive income (loss), net of tax, attributable to redeemable non-controlling interests | | (0.3) | | | | | | | |
Net subscriptions into consolidated T. Rowe Price investment products | | 211.6 | | | | | | | |
Net reconsolidations (deconsolidations) of T. Rowe Price investment products | | (9.1) | | | | | | | |
Ending balances attributable to redeemable non-controlling interests at Jun. 30, 2019 | | 1,012.3 | | | | | | | |
Balances (in shares) at Mar. 31, 2019 | | | | 236,432,000 | | | | | |
Beginning Balance at Mar. 31, 2019 | | 6,311 | | $ 47.3 | | 654.5 | | 5,650.8 | (41.6) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | |
Net income | | 527.5 | | | | | | 527.5 | |
Other comprehensive income (loss), net of tax | | 3.1 | | | | | | | 3.1 |
Dividends declared | | (183.4) | | | | | | (183.4) | |
Common stock-based compensation plans activity | | | | | | | | | |
Shares issued upon option exercises (shares) | | | | 665,000 | | | | | |
Shares issued upon option exercises | | 37.8 | | $ 0.1 | | 37.7 | | | |
Net shares issued upon vesting of restricted stock units (in shares) | | | | | 19,000 | | | | |
Net shares issued upon vesting of restricted stock units | | | $ (0.2) | | | | $ (0.2) | | |
Forfeiture of restricted awards (shares) | | | | (2,000) | | | | | |
Stock-based compensation expense | | 47.2 | | | | 47.2 | | | |
Common shares repurchased (shares) | | | | (1,603,000) | | | | | |
Common shares repurchased | | (163.8) | | $ (0.3) | | (84.6) | | (78.9) | |
Balances (in shares) at Jun. 30, 2019 | | | | 235,518,000 | | | | | |
Ending Balance at Jun. 30, 2019 | | 6,579.1 | | $ 47.1 | | $ 654.6 | | $ 5,915.9 | $ (38.5) |
Beginning balances attributable to redeemable non-controlling interests at Mar. 31, 2019 | | 886.7 | | | | | | | |
Increase (Decrease) in Temporary Equity [Roll Forward] | | | | | | | | | |
Net income (loss) attributable to redeemable non-controlling interests | | 28.4 | | | | | | | |
Other comprehensive income (loss), net of tax, attributable to redeemable non-controlling interests | | 1 | | | | | | | |
Net subscriptions into consolidated T. Rowe Price investment products | | 125.7 | | | | | | | |
Net reconsolidations (deconsolidations) of T. Rowe Price investment products | | (29.5) | | | | | | | |
Ending balances attributable to redeemable non-controlling interests at Jun. 30, 2019 | | $ 1,012.3 | | | | | | | |
| |
[1] | Includes the reclassification of $1.7 million | |
[2] | Accumulated other comprehensive income. | |