Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues	$ 702.7	$ 652.7	$ 2,071.2	$ 1,930.3
Operating expenses:
Cost of revenues (exclusive of items shown separately below)	240.0	242.9	733.4	717.0
Selling, general and administrative	96.4	255.0	304.8	478.7
Depreciation and amortization of fixed assets	49.4	45.8	141.3	138.0
Amortization of intangible assets	41.5	33.3	123.6	100.1
Other operating loss (income)	0.0	6.2	(19.4)	6.2
Total operating expenses	427.3	583.2	1,283.7	1,440.0
Operating income	275.4	69.5	787.5	490.3
Other income (expense):
Investment (loss) income and others, net	(0.1)	0.7	(3.1)	(0.3)
Interest expense	(35.3)	(31.3)	(102.9)	(93.7)
Total other expense, net	(35.4)	(30.6)	(106.0)	(94.0)
Income before income taxes	240.0	38.9	681.5	396.3
Provision for income taxes	(54.2)	(6.0)	(145.0)	(78.6)
Net income	$ 185.8	$ 32.9	$ 536.5	$ 317.7
Basic net income per share (in dollars per share)	$ 1.14	$ 0.20	$ 3.30	$ 1.94
Diluted net income per share (in dollars per share)	$ 1.12	$ 0.20	$ 3.24	$ 1.91
Weighted-average shares outstanding:
Basic (in shares)	162,502,191	163,580,563	162,589,473	163,617,580
Diluted (in shares)	165,731,226	166,779,618	165,519,899	166,673,946