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Composition of Certain Financial Statement Captions - Property And Equipment (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment, gross | $ 652,862 | $ 645,398 |
Less: Accumulated depreciation | (493,219) | (474,034) |
Property and Equipment, net | 159,643 | 171,364 |
Depreciation expense | 33,358 | 35,300 | $ 33,657
Buildings |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment, gross | 218,112 | 216,968 |
Equipment |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment, gross | 196,792 | 193,096 |
Land |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment, gross | 27,407 | 26,450 |
Purchased software |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment, gross | 164,659 | 165,348 |
Furniture and fixtures |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment, gross | 23,068 | 23,025 |
Leasehold improvements |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment, gross | 22,491 | 19,827 |
Construction in progress |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment, gross | $ 333 | $ 684 |

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