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Consolidated Statements of Stockholders' Equity - USD ($) $ in Millions | Total | Common Stock [Member] | Treasury Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Accumulated Comprehensive Loss [Member]
--- | --- | --- | --- | --- | --- | ---
Balance, Beginning at Dec. 31, 2017 | $ 1,604.0 | $ 153.0 | $ (178.0) | $ 470.0 | $ 1,280.0 | $ (122.0)
Balance, Beginning, Shares at Dec. 31, 2017 |  | 153,000,000 | 8,000,000 |  |  |
Net income | 395.0 |  |  |  | 395.0 |
Payment of cash dividends | (74.0) |  |  |  | (74.0) |
Issuance of shares for employee stock plans and stock-based compensation |  |  | (1,000,000) |  |  |
Issuance of shares for employee stock plans and stock-based compensation, amount | (9.0) |  | $ (12.0) | (21.0) |  |
Treasury Stock, Shares, Acquired |  |  | 9,000,000 |  |  |
Treasury Stock, Value, Acquired, Cost Method | (212.0) |  | $ (212.0) |  |  |
Compensation expense associated with stock awards | 9.0 |  |  | 9.0 |  |
Other comprehensive loss | (8.0) |  |  |  |  | (8.0)
Balance, Ending, Shares at Dec. 31, 2018 |  | 153,000,000 | 16,000,000 |  |  |
Balance, Ending at Dec. 31, 2018 | 1,700.0 | $ 153.0 | $ (378.0) | 458.0 | 1,613.0 | (146.0)
Cumulative Effect of New Accounting Principle in Period of Adoption | (5.0) |  |  |  | 12.0 | (17.0)
Net income | (5.0) |  |  |  | (5.0) |
Payment of cash dividends | (65.0) |  |  |  | (65.0) |
Issuance of shares for employee stock plans and stock-based compensation |  |  | 0 |  |  |
Issuance of shares for employee stock plans and stock-based compensation, amount | (3.0) |  | $ (10.0) | (13.0) |  |
Common stock, Shares acquired |  | (23,000,000) |  |  |  |
Common stock, Value, Shares acquired |  | $ (23.0) |  |  |  |
Treasury Stock, Shares, Acquired |  |  | 2,000,000 |  |  |
Treasury Stock, Value, Acquired, Cost Method | (638.0) |  | $ (38.0) |  |  |
Stock Repurchased and Retired During Period, Value |  |  |  |  | (577.0) |
Compensation expense associated with stock awards | 9.0 |  |  | 9.0 |  |
Noncontrolling Interest, Change in Redemption Value | 0.0 |  |  |  |  |
Other comprehensive loss | $ (7.0) |  |  |  |  | (7.0)
Balance, Ending, Shares at Dec. 31, 2019 | 111,945,021 | 130,000,000 | 18,000,000 |  |  |
Balance, Ending at Dec. 31, 2019 | $ 991.0 | $ 130.0 | $ (406.0) | 454.0 | 966.0 | (153.0)
Treasury Stock, Value | 406.0 |  |  |  |  |
Net income | 499.0 |  |  |  |  |
Payment of cash dividends | (65.0) |  |  |  | (65.0) |
Issuance of shares for employee stock plans and stock-based compensation |  |  | (1,000,000) |  |  |
Issuance of shares for employee stock plans and stock-based compensation, amount | (3.0) |  | $ (9.0) | (12.0) |  |
Common stock, Shares acquired |  | (6,000,000) |  |  |  |
Common stock, Value, Shares acquired |  | $ (6.0) |  |  |  |
Treasury Stock, Shares, Acquired |  |  | 0 |  |  |
Treasury Stock, Value, Acquired, Cost Method | (200.0) |  | $ 0.0 |  |  |
Stock Repurchased and Retired During Period, Value |  |  |  |  | (194.0) |
Compensation expense associated with stock awards | 12.0 |  |  | 12.0 |  |
Noncontrolling Interest, Change in Redemption Value | (2.0) |  |  | (2.0) |  |
Other comprehensive loss | $ 2.0 |  |  |  |  | 2.0
Balance, Ending, Shares at Dec. 31, 2020 | 111,945,021 | 124,000,000 | 17,000,000 |  |  |
Balance, Ending at Dec. 31, 2020 | $ 1,234.0 | $ 124.0 |  | $ 452.0 | $ 1,206.0 | $ (151.0)
Treasury Stock, Value |  |  | $ 397.0 |  |  |

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