XML 31 R18.htm IDEA: XBRL DOCUMENT

Subsequent Events	12 Months Ended
Subsequent Events	Apr. 30, 2016
Subsequent Events [Abstract]
Subsequent Events	SUBSEQUENT EVENTS Events that have occurred subsequent to April 30, 2016 have been evaluated for disclosure through the filing date of this Annual Report on Form 10-K with the Securities and Exchange Commission. On May 2, 2016 the Company issued $50,000 principal amount Series C 3.65% Senior Notes due in 2031. On October 28, 2016, the Company will issue an additional $50,000 principal amount of Series D 3.72% Senior Notes due in 2031. Further information is set forth in the Current Report on Form 8-K filed by the Company on May 3, 2016.