XML 138 R62.htm IDEA: XBRL DOCUMENT v3.19.3
Income Taxes (Summary Of Federal Income Tax Rate And Effective Income Tax Rate) (Details) - USD ($)
12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2017
Reconciliation, Amount      
Statutory federal income tax rate $ 4,263,000 $ 7,021,000 $ (492,000)
Change in valuation allowance 66,417,000 (181,047,000) 17,334,000
Transition impact of U.S. Tax Act 0 126,122,000 0
Federal rate change 0 69,648,000 0
State income taxes, net of federal tax benefit 607,000 2,401,000 627,000
Federal research and development credits (3,731,000) (3,058,000) (2,182,000)
Uncertain tax positions 2,611,000 (4,646,000) (3,840,000)
Foreign rate differences (26,952,000) (38,743,000) (27,932,000)
Foreign tax on U.S. provision 6,547,000 2,736,000 2,737,000
Excess tax benefits from restricted stock (5,940,000) (11,641,000) 0
Audits and settlements 51,000 2,352,000 0
U.S. permanent items 2,483,000 5,408,000 6,030,000
BEAT 1,759,000 0 0
GILTI, net of foreign tax credits 6,170,000 0 0
Foreign-Derived Intangible Income (FDII) (6,409,000) 0 0
Other, net (116,000) 116,000 73,000
Benefit for income taxes $ 47,760,000 $ (23,331,000) $ (7,645,000)
Reconciliation, Percent      
Statutory federal income tax rate 21.00% 25.00% (35.00%)
Change in valuation allowance 327.00% (632.00%) 1233.00%
Transition impact of U.S. Tax Act 0.00% 440.00% 0.00%
Federal rate change 0.00% 243.00% 0.00%
State income taxes, net of federal tax benefit 3.00% 8.00% 45.00%
Federal research and development credits (18.00%) (11.00%) (155.00%)
Uncertain tax positions 13.00% (16.00%) (273.00%)
Foreign rate differences (133.00%) (135.00%) (1987.00%)
Foreign tax on U.S. provision 32.00% 10.00% 195.00%
Excess tax benefits from restricted stock (29.00%) (41.00%) 0.00%
Audits and settlements 0.00% 8.00% 0.00%
U.S. permanent items 12.00% 19.00% 429.00%
BEAT 9.00% 0.00% 0.00%
GILTI, net of foreign tax credits 31.00% 0.00% 0.00%
Foreign-Derived Intangible Income (FDII) (32.00%) 0.00% 0.00%
Other, net (1.00%) 1.00% 4.00%
Benefit for income taxes 235.00% (81.00%) (544.00%)