Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Amortizing intangible assets
Amortization expense	$ 11.0	$ 10.1	$ 22.0	$ 19.9
Remainder of 2024	16.1		16.1
2025	27.6		27.6
2026	25.3		25.3
2027	19.1		19.1
2028	16.5		16.5
2029	15.4		15.4
Thereafter	44.5		44.5
Cost of revenue
Amortizing intangible assets
Amortization expense	10.0	9.4	20.0	18.6
Selling, General and Administrative Expenses
Amortizing intangible assets
Amortization expense	$ 1.0	$ 0.7	$ 2.0	$ 1.3

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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