Condensed Consolidated Statements of Stockholders’ Equity - USD ($)
shares in Millions, $ in Millions |
Total |
Common Stock Issued |
Additional Paid-in Capital |
Retained Earnings |
Accumulated Other Comprehensive Loss |
Treasury Stock |
| Beginning balance (in shares) at Dec. 31, 2024 |
|
50.3
|
|
|
|
|
| Beginning balance at Dec. 31, 2024 |
$ 1,488.8
|
$ 0.5
|
$ 1,149.7
|
$ 2,066.8
|
$ (312.3)
|
$ (1,416.0)
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Stock issued under share-based compensation plans (in shares) |
|
0.3
|
|
|
|
|
| Stock issued under share-based compensation plans |
1.2
|
|
1.2
|
|
|
|
| Share repurchases for tax withholdings |
(25.5)
|
|
(25.5)
|
|
|
|
| Repurchases of common stock |
(801.6)
|
|
|
|
|
(801.6)
|
| Stock-based compensation expense |
8.8
|
|
8.8
|
|
|
|
| Unrealized (loss) gain on available-for-sale debt securities |
48.7
|
|
|
|
48.7
|
|
| Foreign currency translation |
18.4
|
|
|
|
18.4
|
|
| Net income |
71.5
|
|
|
71.5
|
|
|
| Ending balance (in shares) at Mar. 31, 2025 |
|
50.6
|
|
|
|
|
| Ending balance at Mar. 31, 2025 |
810.4
|
$ 0.5
|
1,134.2
|
2,138.3
|
(245.1)
|
(2,217.5)
|
| Beginning balance (in shares) at Dec. 31, 2024 |
|
50.3
|
|
|
|
|
| Beginning balance at Dec. 31, 2024 |
1,488.8
|
$ 0.5
|
1,149.7
|
2,066.8
|
(312.3)
|
(1,416.0)
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Repurchases of common stock |
|
|
|
|
|
(801.7)
|
| Unrealized (loss) gain on available-for-sale debt securities |
106.4
|
|
|
|
|
|
| Foreign currency translation |
64.5
|
|
|
|
|
|
| Net income |
219.8
|
|
|
|
|
|
| Ending balance (in shares) at Sep. 30, 2025 |
|
50.7
|
|
|
|
|
| Ending balance at Sep. 30, 2025 |
1,118.4
|
$ 0.5
|
1,190.1
|
2,286.7
|
(141.2)
|
(2,217.7)
|
| Beginning balance (in shares) at Mar. 31, 2025 |
|
50.6
|
|
|
|
|
| Beginning balance at Mar. 31, 2025 |
810.4
|
$ 0.5
|
1,134.2
|
2,138.3
|
(245.1)
|
(2,217.5)
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Stock issued under share-based compensation plans |
0.1
|
|
0.1
|
|
|
|
| Share repurchases for tax withholdings |
(1.2)
|
|
(1.2)
|
|
|
|
| Repurchases of common stock |
(0.1)
|
|
|
|
|
(0.1)
|
| Stock-based compensation expense |
27.4
|
|
27.4
|
|
|
|
| Unrealized (loss) gain on available-for-sale debt securities |
24.6
|
|
|
|
24.6
|
|
| Foreign currency translation |
49.3
|
|
|
|
49.3
|
|
| Net income |
68.1
|
|
|
68.1
|
|
|
| Ending balance (in shares) at Jun. 30, 2025 |
|
50.7
|
|
|
|
|
| Ending balance at Jun. 30, 2025 |
978.7
|
$ 0.5
|
1,160.6
|
2,206.4
|
(171.1)
|
(2,217.6)
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Stock issued under share-based compensation plans |
1.4
|
|
1.4
|
|
|
|
| Share repurchases for tax withholdings |
(1.2)
|
|
(1.2)
|
|
|
|
| Repurchases of common stock |
|
|
|
|
|
0.0
|
| Stock-based compensation expense |
29.4
|
|
29.4
|
|
|
|
| Unrealized (loss) gain on available-for-sale debt securities |
33.1
|
|
|
|
33.1
|
|
| Foreign currency translation |
(3.2)
|
|
|
|
(3.2)
|
|
| Net income |
80.3
|
|
|
80.3
|
|
|
| Ending balance (in shares) at Sep. 30, 2025 |
|
50.7
|
|
|
|
|
| Ending balance at Sep. 30, 2025 |
$ 1,118.4
|
$ 0.5
|
1,190.1
|
2,286.7
|
(141.2)
|
(2,217.7)
|
| Beginning balance (in shares) at Dec. 31, 2025 |
50.7
|
50.7
|
|
|
|
|
| Beginning balance at Dec. 31, 2025 |
$ 1,234.5
|
$ 0.5
|
1,208.9
|
2,370.8
|
(128.1)
|
(2,217.6)
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Stock issued under share-based compensation plans (in shares) |
|
0.4
|
|
|
|
|
| Stock issued under share-based compensation plans |
1.4
|
|
1.4
|
|
|
|
| Reclassification of liability-classified awards to equity |
14.5
|
|
14.5
|
|
|
|
| Share repurchases for tax withholdings |
(31.1)
|
|
(31.1)
|
|
|
|
| Stock-based compensation expense |
27.5
|
|
27.5
|
|
|
|
| Unrealized (loss) gain on available-for-sale debt securities |
(46.5)
|
|
|
|
(46.5)
|
|
| Foreign currency translation |
(3.7)
|
|
|
|
(3.7)
|
|
| Net income |
77.7
|
|
|
77.7
|
|
|
| Ending balance (in shares) at Mar. 31, 2026 |
|
51.1
|
|
|
|
|
| Ending balance at Mar. 31, 2026 |
$ 1,274.4
|
$ 0.5
|
1,221.3
|
2,448.5
|
(178.3)
|
(2,217.6)
|
| Beginning balance (in shares) at Dec. 31, 2025 |
50.7
|
50.7
|
|
|
|
|
| Beginning balance at Dec. 31, 2025 |
$ 1,234.5
|
$ 0.5
|
1,208.9
|
2,370.8
|
(128.1)
|
(2,217.6)
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Repurchases of common stock |
|
|
|
|
|
(261.8)
|
| Unrealized (loss) gain on available-for-sale debt securities |
(236.8)
|
|
|
|
|
|
| Foreign currency translation |
(6.5)
|
|
|
|
|
|
| Net income |
$ 320.3
|
|
|
|
|
|
| Ending balance (in shares) at Sep. 30, 2026 |
51.2
|
51.2
|
|
|
|
|
| Ending balance at Sep. 30, 2026 |
$ 1,152.1
|
$ 0.5
|
1,311.3
|
2,691.2
|
(371.5)
|
(2,479.4)
|
| Beginning balance (in shares) at Mar. 31, 2026 |
|
51.1
|
|
|
|
|
| Beginning balance at Mar. 31, 2026 |
1,274.4
|
$ 0.5
|
1,221.3
|
2,448.5
|
(178.3)
|
(2,217.6)
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Stock issued under share-based compensation plans |
0.6
|
|
0.6
|
|
|
|
| Share repurchases for tax withholdings |
(1.2)
|
|
(1.2)
|
|
|
|
| Repurchases of common stock |
(60.0)
|
|
|
|
|
(60.0)
|
| Stock-based compensation expense |
36.4
|
|
36.4
|
|
|
|
| Unrealized (loss) gain on available-for-sale debt securities |
(10.9)
|
|
|
|
(10.9)
|
|
| Foreign currency translation |
(3.2)
|
|
|
|
(3.2)
|
|
| Net income |
108.5
|
|
|
108.5
|
|
|
| Ending balance (in shares) at Jun. 30, 2026 |
|
51.1
|
|
|
|
|
| Ending balance at Jun. 30, 2026 |
1,344.6
|
$ 0.5
|
1,257.1
|
2,557.0
|
(192.5)
|
(2,277.6)
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
|
| Stock issued under share-based compensation plans (in shares) |
|
0.1
|
|
|
|
|
| Stock issued under share-based compensation plans |
12.3
|
|
12.3
|
|
|
|
| Share repurchases for tax withholdings |
(1.2)
|
|
(1.2)
|
|
|
|
| Repurchases of common stock |
(201.8)
|
|
|
|
|
(201.8)
|
| Stock-based compensation expense |
43.1
|
|
43.1
|
|
|
|
| Unrealized (loss) gain on available-for-sale debt securities |
(179.4)
|
|
|
|
(179.4)
|
|
| Foreign currency translation |
0.4
|
|
|
|
0.4
|
|
| Net income |
$ 134.1
|
|
|
134.1
|
|
|
| Ending balance (in shares) at Sep. 30, 2026 |
51.2
|
51.2
|
|
|
|
|
| Ending balance at Sep. 30, 2026 |
$ 1,152.1
|
$ 0.5
|
$ 1,311.3
|
$ 2,691.2
|
$ (371.5)
|
$ (2,479.4)
|