Property and Equipment - Schedule of Property and Equipment and Accumulated Depreciation and Amortization (Detail) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Property and Equipment [Line Items]
Property and equipment, gross	$ 1,047,380	$ 809,672
Less: accumulated depreciation and amortization	(537,982)	(437,291)
Software And Capitalized Software Development Costs [Member]
Property and Equipment [Line Items]
Property and equipment, gross	465,869	371,665
Buildings [Member]
Property and Equipment [Line Items]
Property and equipment, gross	277,428	179,874
Computer Equipment [Member]
Property and Equipment [Line Items]
Property and equipment, gross	195,158	164,856
Rental Clocks [Member]
Property and Equipment [Line Items]
Property and equipment, gross	46,529	42,364
Furniture, Fixtures and Equipment [Member]
Property and Equipment [Line Items]
Property and equipment, gross	41,737	32,413
Other [Member]
Property and Equipment [Line Items]
Property and equipment, gross	20,659	18,500
Property and Equipment, net, Excluding Land and Construction in Progress [Member]
Property and Equipment [Line Items]
Property and equipment, net	509,398	372,381
Construction in Progress [Member]
Property and Equipment [Line Items]
Property and equipment, net	10,403	92,020
Land [Member]
Property and Equipment [Line Items]
Property and equipment, net	33,796	33,796
Property and Equipment, net, Including Land and Construction in Progress [Member]
Property and Equipment [Line Items]
Property and equipment, net	$ 553,597	$ 498,197