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v3.21.2

Stockholders’ Equity - Narrative (Details) - USD ($) | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | May 06, 2020 | Aug. 06, 2014
Class of Stock [Line Items] |  |  |  |  |  |
Remaining authorized repurchase amount |  |  |  |  |  | $ 133,300,000
Repurchases of common stock | $ 111,600,000 | $ 9,200,000 | $ 158,700,000 | $ 110,400,000 |  |
Weighted-average Remaining Lease Term - Operating Leases | 6 years 7 months 6 days | 6 years 9 months 18 days | 6 years 7 months 6 days | 6 years 9 months 18 days |  |
Weighted-average Discount Rate - Finance Leases | 4.00% | 4.00% | 4.00% | 4.00% |  |
Weighted-average Discount Rate - Operating Leases | 3.40% | 3.80% | 3.40% | 3.80% |  |
Value of additional shares authorized to be repurchased |  |  |  |  | $ 200,000,000.0 |
Stock Repurchased and Retired During Period, Value | $ 111,600,000 | $ 9,200,000 | $ 158,700,000 | $ 110,400,000 |  |
Employee Stock Purchase Plan | Employee Stock Option |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Price per share (in dollars per share) | $ 62.82 | $ 61.64 | $ 62.82 | $ 61.64 |  |
Compensation costs | $ 200,000 | $ 200,000 | $ 400,000 | $ 300,000 |  |
Employee Stock Purchase Plan | Share-based Payment Arrangement |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Shares issued under employee stock purchase plan (in shares) | 17,000 | 13,000 | 32,000 | 27,000 |  |
Common Stock |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Repurchases of common stock (in shares) | 1,400,000 | 128,000 | 2,000,000.0 | 1,617,000 |  |
Repurchases of common stock | $ 200,000 | $ 100,000 | $ 200,000 | $ 200,000 |  |
Average cost per share (in dollars per share) | $ 76.92 | $ 71.85 | $ 77.63 | $ 68.29 |  |
Weighted-average Remaining Lease Term - Finance Leases | 3 months 18 days | 1 year 2 months 12 days | 3 months 18 days | 1 year 2 months 12 days |  |
Stock Repurchased and Retired During Period, Shares | 1,451,000 |  | 2,045,000 |  |  |

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