Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Operating revenues
Revenues	$ 338.0	$ 357.3	$ 1,001.4	$ 1,080.9
Operating expenses:
Cost of services (exclusive of depreciation and amortization)	199.7	221.3	615.8	667.4
Selling, general and administrative	34.9	38.9	107.2	106.2
Depreciation and amortization	19.4	22.1	61.5	66.0
Total operating expenses	254.0	282.3	784.5	839.6
Operating profit	84.0	75.0	216.9	241.3
Interest expense, net	13.3	17.5	43.1	39.1
Other income, net	(0.2)	0.0	(0.8)	(0.1)
Income before income taxes	70.9	57.5	174.6	202.3
Income taxes	18.1	15.7	43.9	54.7
Net income	$ 52.8	$ 41.8	$ 130.7	$ 147.6
Net income per share
Basic (in dollars per share)	$ 0.39	$ 0.31	$ 0.98	$ 1.11
Diluted (in dollars per share)	$ 0.39	$ 0.31	$ 0.97	$ 1.10