XML 112 R98.htm IDEA: XBRL DOCUMENT v3.20.4
Segment and Related Information - Total Operating Income (Loss) for Reportable Segments (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2020
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, 2018
Dec. 31, 2020
Dec. 31, 2019
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Segment Reporting [Abstract]                              
Segment operating income (loss) $ (48.2) $ (39.6) $ (68.3) $ (133.7) $ (8.8) $ (20.9) $ (5.6) $ 5.9 $ 6.1 $ 1.2 $ (87.8) $ (29.7) $ (231.7) $ 7.6 $ 121.9
Interest income 0.3 0.4 0.5 0.8 0.8 0.9 0.9 0.7 0.9 0.7 0.7 1.7 3.0 3.2 1.8
Interest expense (2.9) (2.9) (3.1) (2.3) (2.5) (2.9) (3.2) (3.2) (3.4) (2.2) (5.8) (5.4) (10.8) (12.0) (3.2)
Other 0.4 (1.6) 12.4 4.1 (0.9) 0.6 0.2 (0.1) 0.0 1.1 (1.2) (0.3) 16.2 1.2 (0.4)
Income (loss) before income tax (50.4) (43.7) (58.5) (131.1) (11.4) (22.3) (7.7) 3.3 3.6 0.8 (94.1) (33.7) (223.3) 0.0 120.1
Income tax benefit (12.5) (28.5) (3.0) (15.9) (3.1) (1.7) (3.4) (3.6) 1.0 1.6 (41.0) (4.8) (23.7) (4.4) (13.0)
Net income (loss) (37.9) (15.2) (55.5) (115.2) (8.3) (20.6) (4.3) 6.9 2.6 (0.8) (53.1) (28.9) (199.6) 4.4 133.1
Net loss attributable to non-controlling interest 0.0 0.0 (0.1) 0.0 0.0 0.0 (0.1) 0.0 0.0 (0.1) 0.0 0.0 (0.1) (0.2) (0.2)
Net income (loss) attributable to Myriad Genetics, Inc. stockholders $ (37.9) $ (15.2) $ (55.4) $ (115.2) $ (8.3) $ (20.6) $ (4.2) $ 6.9 $ 2.6 $ (0.7) $ (53.1) $ (28.9) $ (199.5) $ 4.6 $ 133.3