XML 101 R87.htm IDEA: XBRL DOCUMENT v3.20.4
Income Taxes - Statutory Federal Income Tax Rate and Income Taxes Reported (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
Effective Income Tax Rate Reconciliation, Amount                              
Federal income tax expense at the statutory rate                     $ (19.8)   $ (46.9) $ 0.0 $ 33.7
State income taxes, net of federal benefit                     (1.2)   (0.2) 2.0 2.9
Research and development credits, net of the federal tax on state credits                     (1.3)   (2.8) (3.7) (2.1)
Uncertain tax positions, net of federal benefit                     1.3   1.9 2.9 2.5
Uncertain tax benefits statute expired, net of federal benefit                     (0.7)   (0.4) (7.1) 0.0
Incentive stock option and employee stock purchase plan expense                     2.5   (0.2) (3.1) (1.7)
Foreign rate differential                     (2.1)   0.7 0.8 (0.8)
Change in valuation allowance                     (0.3)   3.5 (0.2) 0.6
Tax Cut and Jobs Act impact                     0.0   0.0 0.0 (32.0)
CARES Act                     (20.7)        
Fair value adjustments related to acquisition contingent consideration                     0.0   0.0 0.8 (17.0)
Non-deductible contingent purchase price and transaction costs                     0.7   (0.3) 0.0 0.0
Non-deductible meals and entertainment                     0.5   1.8 1.3 0.4
Non-deductible officer compensation                     0.1   1.6 0.6 0.0
Asset impairment                     0.0   12.6 0.0 0.0
Expired tax attributes                     0.0   4.2 0.0 0.0
Non-deductible legal settlement                     0.0   0.0 1.9 0.0
Foreign disregarded election                     0.0   0.0 6.4 0.0
Changes in revenue recognition/method                     0.0   0.0 (7.3) 0.0
Other, net                     0.0   0.8 0.3 0.5
Total 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)
Effective Income Tax Rate Reconciliation, Percent                              
Federal income tax expense at the statutory rate                     21.00%   21.00% 21.00% 28.10%
State income taxes, net of federal benefit                     1.30%   0.10% 6422.10% 2.40%
Research and development credits, net of the federal tax on state credits                     1.40%   1.30% (11880.90%) (1.70%)
Uncertain tax positions, net of federal benefit                     (1.40%)   (0.90%) 9312.10% 2.10%
Uncertain tax benefits statute expired, net of federal benefit                     0.70%   0.20% (22798.50%) 0.00%
Incentive stock option and employee stock purchase plan expense                     (2.70%)   0.10% (9954.30%) (1.40%)
Foreign rate differential                     2.20%   (0.30%) 2568.80% (0.70%)
Change in valuation allowance                     0.30%   (1.70%) (642.20%) 0.50%
Tax Cut and Jobs Act impact                     0.00%   0.00% 0.00% (26.60%)
CARES Act                     22.00%        
Fair value adjustments related to acquisition contingent consideration                     0.00%   0.00% 2568.80% (14.20%)
Non-deductible contingent purchase price and transaction costs                     (0.70%)   0.10% 0.00% 0.00%
Non-deductible meals and entertainment                     (0.50%)   (0.80%) 4174.40% 0.30%
Non-deductible officer compensation                     (0.10%)   (0.70%) 1926.60% 0.00%
Asset impairment                     0.00%   (5.60%) 0.00% 0.00%
Expired tax attributes                     0.00%   (1.90%) 0.00% 0.00%
Non-deductible legal settlement                     0.00%   0.00% 6101.00% 0.00%
Foreign disregarded election                     0.00%   0.00% 20550.80% 0.00%
Changes in revenue recognition/method                     0.00%   0.00% (23440.80%) 0.00%
Other, net                     0.00%   (0.30%) 963.40% 0.50%
Total income tax benefit                     43.50%   10.60% (14107.70%) (10.70%)