CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Statement of Comprehensive Income [Abstract]
Revenue	$ 666.3	$ 684.9	$ 1,331.7	$ 1,375.7
Cost of revenue	(537.1)	(553.5)	(1,075.6)	(1,111.5)
Gross profit	129.2	131.4	256.1	264.2
Selling, general and administrative expenses	(154.3)	(185.2)	(319.6)	(377.6)
Impairment of goodwill	0.0	0.0	0.0	(573.2)
Impairment of assets, net	0.0	0.0	0.0	(20.0)
Loss from operations	(25.1)	(53.8)	(63.5)	(706.6)
Other income (expense):
Interest expense	(21.3)	(18.4)	(40.7)	(62.1)
Gain on investments, net	0.3	0.0	0.2	0.1
Gain on debt extinguishment, net of debt modification costs	0.0	72.5	0.0	129.2
Other expense, net	(3.8)	(5.2)	(9.2)	(10.8)
Total other income (expense)	(24.8)	48.9	(49.7)	56.4
Loss before income taxes	(49.9)	(4.9)	(113.2)	(650.2)
Benefit (provision) for income taxes	(4.6)	29.9	(12.8)	34.6
Net income (loss)	(54.5)	25.0	(126.0)	(615.6)
Other comprehensive income (loss), net of tax
Foreign currency translation adjustments	9.4	(0.8)	13.0	(4.5)
Unrealized gain on derivative contracts	1.5	4.5	1.4	17.6
Amount reclassified from accumulated other comprehensive income (loss) to earnings	(8.7)	(11.1)	(17.2)	(22.2)
Other comprehensive income (loss)	2.2	(7.4)	(2.8)	(9.1)
Comprehensive income (loss)	$ (52.3)	$ 17.6	$ (128.8)	$ (624.7)
Net earnings (loss) per share:
Basic (in dollars per share)	$ (0.23)	$ 0.11	$ (0.54)	$ (2.77)
Diluted (in dollars per share)	$ (0.23)	$ 0.11	$ (0.54)	$ (2.77)
Weighted average number of shares outstanding:
Basic (in shares)	238.0	224.5	235.0	222.2
Diluted (in shares)	238.0	229.6	235.0	222.2