Other Comprehensive Income Other Comprehensive Income, Text (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2015	Jan. 31, 2014
Accumulated Other Comprehensive Loss [Roll Forward]
Beginning balance			$ 64,156	$ 56,063
Other Comprehensive Income (Loss), before Reclassification			(56,380)	(1,345)
Amounts reclassified from accumulated other comprehensive income			(35,345)	(291)
Ending balance	(27,569)	54,427	(27,569)	54,427
Other Comprehensive Income (Loss), Tax [Abstract]
Net investment hedge translation adjustments	(4,788)	(576)	(7,967)	738
Long-term intercompany loan settlements	501	440	550	1,843
Cash flow hedges	(394)	(78)	(597)	(60)
Other income tax adjustments and currency translation	27	43	34	(50)
Income tax (expense) benefit related to items of other comprehensive income	4,654	171	7,980	(2,471)
Cash flow hedges
Accumulated Other Comprehensive Loss [Roll Forward]
Beginning balance			(12)	99
Other Comprehensive Income (Loss), before Reclassification			1,218	136
Amounts reclassified from accumulated other comprehensive income			(58)	(57)
Ending balance	1,148	178	1,148	178
Unamortized gain on post-retirement plans
Accumulated Other Comprehensive Loss [Roll Forward]
Beginning balance			4,854	1,853
Other Comprehensive Income (Loss), before Reclassification			0	0
Amounts reclassified from accumulated other comprehensive income			(590)	(234)
Ending balance	4,264	1,619	4,264	1,619
Foreign currency translation adjustments
Accumulated Other Comprehensive Loss [Roll Forward]
Beginning balance			59,314	54,111
Other Comprehensive Income (Loss), before Reclassification			(57,598)	(1,481)
Amounts reclassified from accumulated other comprehensive income			(34,697)	0
Ending balance	$ (32,981)	$ 52,630	$ (32,981)	$ 52,630