Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 611.9	$ 770.7
Trade and other receivables, net of allowance of $78.2 million and $72.2 million, as of March 31, 2022 and December 31, 2021, respectively	1,372.7	1,446.0
Income tax receivable	32.0	30.0
Short-term contract assets, net	360.6	318.9
Prepaid expenses and other current assets	295.7	264.7
Total current assets	2,672.9	2,830.3
Property and equipment, net	192.4	194.6
Goodwill	2,084.3	2,081.9
Intangible assets, net	908.1	922.2
Equity method investments	654.4	641.3
Deferred tax assets	65.0	65.5
Non-current operating lease assets	398.7	413.5
Other non-current assets	780.3	741.1
Total assets	7,756.1	7,890.4
Current liabilities:
Short-term borrowings and current portion of long-term debt	43.3	42.4
Accounts payable and accrued expenses	1,083.5	1,106.2
Accrued compensation	840.1	976.3
Income tax payable	136.9	105.1
Other current liabilities	215.5	204.5
Total current liabilities	2,319.3	2,434.5
Long-term debt, net	3,215.9	3,220.5
Deferred tax liabilities	36.3	48.7
Non-current operating lease liabilities	377.8	394.6
Other non-current liabilities	268.3	343.5
Total liabilities	6,217.6	6,441.8
Commitments and contingencies
Shareholders' equity:
Ordinary shares, nominal value $0.10 per share, 800,000,000 shares authorized; 225,445,522 and 223,709,308 shares issued and outstanding as of March 31, 2022 and at December 31, 2021, respectively	22.6	22.4
Additional paid-in capital	2,880.0	2,896.6
Accumulated deficit	(1,232.7)	(1,278.2)
Accumulated other comprehensive loss	(132.2)	(193.0)
Total equity attributable to the Company	1,537.7	1,447.8
Non-controlling interests	0.8	0.8
Total equity	1,538.5	1,448.6
Total liabilities and shareholders' equity	$ 7,756.1	$ 7,890.4