Consolidated Statement of Comprehensive Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jan. 31, 2016	Jan. 31, 2015	Jan. 31, 2016	Jan. 31, 2015
Comprehensive income, net of tax:
Net income		$ 58,963	$ 52,193	$ 111,376	$ 104,808
Other comprehensive income:
Unrealized gain on interest rate swaps, net (a)	[1]	163	545	603	949
Reclassification adjustment of interest rate swaps, net (b)	[2]	(101)	(294)	(320)	(606)
Unrealized loss on available-for-sale securities, net (c)	[3]	(4,146)	0	(3,651)	0
Foreign currency translation adjustments		(24,247)	(22,840)	(30,910)	(46,808)
Total comprehensive income		$ 30,632	$ 29,604	$ 77,098	$ 58,343

[1] Net of tax effect of $(151) and $(299) for the three months ended January 31, 2016 and 2015, respectively. Net of tax effect of $(342) and $(526) for the six months ended January 31, 2016 and 2015, respectively.

[2] Net of tax effect of $56 and $157 for the three months ended January 31, 2016 and 2015, respectively. Net of tax effect of $178 and $332 for the six months ended January 31, 2016 and 2015, respectively.

[3] Net of tax effect of $(282) for the three months ended January 31, 2016. Net of tax effect of $(3) for the six months ended January 31, 2016.