Information on Segments - Schedule of Reconciliation of Revenue and Gross Profit from Segments to Consolidated Net Revenue and Income Before Income Taxes (Details) $ in Millions	3 Months Ended
	Mar. 31, 2025 USD ($) segment	Mar. 31, 2024 USD ($)
Segment Reporting Information [Line Items]
Revenue	$ 684.8	$ 692.9
Less:
Depreciation and amortization	15.2	12.9
Total consolidated gross profit, as reported	223.7	234.5
Operating expenses	153.9	146.6
Operating income	69.8	87.9
Other expense, net	8.5	11.5
Income before income taxes	$ 61.3	76.4
Number of operating segments | segment	3
Installation
Segment Reporting Information [Line Items]
Revenue	$ 647.2	655.9
Segment gross profit	$ 229.5	236.6
Less:
Number of operating segments | segment	1
Other
Less:
Number of operating segments | segment	2
Operating segments | Installation
Segment Reporting Information [Line Items]
Revenue	$ 647.2	655.9
Segment gross profit	229.5	236.6
Operating segments | Other
Segment Reporting Information [Line Items]
Revenue	43.9	40.3
Segment gross profit	11.3	11.8
Elimination of inter-segment revenue
Segment Reporting Information [Line Items]
Revenue	(6.3)	(3.3)
Segment gross profit	$ (1.9)	$ (1.0)