Annual report pursuant to Section 13 and 15(d)

Unaudited Quarterly Financial Information (Details)

v3.20.2
Unaudited Quarterly Financial Information (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2018
Quarterly Financial Information Disclosure [Abstract]                      
Net revenue $ 693.7 $ 607.5 $ 648.9 $ 566.9 $ 485.8 $ 446.6 $ 464.6 $ 410.3 $ 2,517.0 $ 1,807.3 $ 1,770.1
Gross profit 240.5 207.3 193.7 171.8 166.7 148.4 160.9 147.0 813.3 623.0 642.1
Net income $ (7.1) $ 24.0 $ (74.0) $ (3.1) $ 24.7 $ 30.4 $ 38.0 $ 28.3 $ (60.1) $ 121.4 $ 76.6
(Loss) earnings per share-basic (in dollars per share) $ (0.09) $ 0.32 $ (0.99) $ (0.05) $ 0.39 $ 0.48 $ 0.60 $ 0.45 $ (0.82) $ 1.93 $ 1.21
(Loss) earnings per share-diluted (in dollars per share) $ (0.09) $ 0.32 $ (0.99) $ (0.05) $ 0.39 $ 0.48 $ 0.60 $ 0.45 $ (0.82) $ 1.92 $ 1.20
Goodwill, impairment loss     $ 72.3                
Impairment charges     $ 82.5           $ 144.8 $ 0.0 $ 63.4