XML 89 R72.htm IDEA: XBRL DOCUMENT v3.5.0.1
Income Taxes (Schedule Of Components Of Income From Continuing Operations) (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Apr. 30, 2016
Jan. 31, 2016
Oct. 31, 2015
Jul. 31, 2015
Apr. 30, 2015
Jan. 31, 2015
Oct. 31, 2014
Jul. 31, 2014
Apr. 30, 2016
Apr. 30, 2015
Apr. 30, 2014
Income Tax Disclosure [Abstract]                      
Document Fiscal Year Focus                 2016    
Domestic                 $ 513,746 $ 682,744 $ 754,036
Foreign                 55,733 60,061 13,080
Income from continuing operations before income taxes $ 1,140,807 $ (146,500) $ (237,719) $ (187,109) $ 1,210,059 $ (90,865) $ (200,573) $ (175,816) $ 569,479 $ 742,805 $ 767,116