XML 64 R51.htm IDEA: XBRL DOCUMENT v3.6.0.2
Cash, Cash Equivalents and Investments (Fair Value of Debt Securities by Contractual Maturity) (Details) - USD ($)
$ in Thousands
Nov. 30, 2016
Nov. 30, 2015
Investments and Cash [Abstract]    
Due in one year or less $ 21,172 $ 15,945
Due after one year 21,546 12,955
Total $ 42,718 $ 28,900