XML 56 R40.htm IDEA: XBRL DOCUMENT v3.20.2
Income Taxes - Effective Income Tax Rate Reconciliation (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Income Tax Disclosure [Abstract]        
U.S. federal statutory income tax (benefit) rate 21.00% 21.00% 21.00% 21.00%
U.S. state income taxes (benefit), net of federal income tax effect 4.00% 2.00% 5.00% 1.00%
Foreign tax rate differences and financing structure 0.00% 0.00% 0.00% 1.00%
U.S. taxes on foreign earnings 0.00% 0.00% (1.00%) 1.00%
Research and development and other tax credits (2.00%) (7.00%) 3.00% (6.00%)
Excess tax benefits from stock compensation 0.00% 0.00% 0.00% 0.00%
Uncertain income tax positions 0.00% 1.00% (1.00%) (1.00%)
Valuation allowances (6.00%) 0.00% (10.00%) 0.00%
Other differences - net 2.00% 2.00% 0.00% 1.00%
Effective income tax (benefit) rate 19.00% 19.00% 17.00% 18.00%