Summary of Significant Accounting Policies Other Comprehensive Income (Tables)

12 Months Ended

Jul. 31, 2014

Jul. 31, 2013

Other Comprehensive Income [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	Unrealized (loss) gain on cash flow hedges			Gain (loss) on postretirement medical plan			Foreign currency translation adjustments			Accumulated other comprehensive income
Beginning balance, July 31, 2010	$	(321	)	$	1,357		$	49,869		$	50,905
Current-period change	(833		)	831			62,995			62,993
Ending balance, July 31, 2011	$	(1,154	)	$	2,188		$	112,864		$	113,898
Current-period change	2,030			(1,210		)	(55,307		)	(54,487		)
Ending balance, July 31, 2012	$	876		$	978		$	57,557		$	59,411
Current-period change	(777		)	875			(3,446		)	(3,348		)
Ending balance, July 31, 2013	$	99		$	1,853		$	54,111		$	56,063

Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

As of July 31, 2013 and 2012, pre-tax amounts recognized in accumulated other comprehensive income in the accompanying consolidated balance sheets consist of:

	2013		2012
Net actuarial gain	$	3,534	$	1,837
Prior service credit	1,203		1,405
	$	4,737	$	3,242

	2013			2012			2011
Income tax benefit (expense) related to items of other comprehensive (loss) income:
Net investment hedge translation adjustments	$	2,877		$	(7,784	)	$	9,324
Long-term intercompany loan settlements	(650		)	(2,508		)	(1,193		)
Cash flow hedges	454			(855		)	295
Pension and other post-retirement benefits	(555		)	583			(490		)
Other income tax adjustments	108			(898		)	(2,699		)
Income tax benefit (expense) related to items of other comprehensive (loss) income	$	2,234		$	(11,462	)	$	5,237