Consolidated Statements of Operations (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Income Statement [Abstract]
Net service revenues	$ 570.7	$ 526.0
Cost of services provided	427.7	394.1
Gross profit	143.0	131.9
Selling, general and administrative expense	130.3	110.2
Amortization expense	13.5	15.1
(Loss) income from operations	(0.8)	6.6
Other income (expense)	0.7	(1.5)
Interest expense	17.4	17.1
(Loss) before income taxes	(17.5)	(12.0)
Income tax benefit	4.9	3.2
Net (loss)	$ (12.6)	$ (8.8)
(Loss) per share:
Basic and diluted	$ (0.12)	$ (0.09)