XML 20 R6.htm IDEA: XBRL DOCUMENT v3.6.0.2
Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2014
Statement of Comprehensive Income [Abstract]      
Tax (expense) benefit on change in fair value of cash flow hedges $ (7,053) $ 2,627 $ 4,413
Tax (expense) benefit on change in fair value of available-sale-of securities (1) 5 2
Tax benefit (expense) on unrealized gains (losses) on defined benefit plan $ 747 $ (81) $ 38