Accumulated Other Comprehensive Loss (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Oct. 31, 2013
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Balance as of July 31, 2013, net of tax	$ (37,473)
Other comprehensive (loss) income before reclassifications and tax	14,635
Tax benefit (expense)	(824)
Other comprehensive (loss) income before reclassifications, net of tax	13,811
Balance at October 31, 2013, net of tax	(21,225)
Foreign Currency Translation Adjustment [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Balance as of July 31, 2013, net of tax	50,411	[1]
Other comprehensive (loss) income before reclassifications and tax	12,367	[1]
Other comprehensive (loss) income before reclassifications, net of tax	12,367	[1]
Pension Benefits [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Balance as of July 31, 2013, net of tax	(87,712)
Other comprehensive (loss) income before reclassifications and tax	2,474
Tax benefit (expense)	(896)
Other comprehensive (loss) income before reclassifications, net of tax	1,578
Derivative Financial Instruments [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Balance as of July 31, 2013, net of tax	(172)
Other comprehensive (loss) income before reclassifications and tax	(206)
Tax benefit (expense)	72
Other comprehensive (loss) income before reclassifications, net of tax	(134)
Reclassification Out Of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Reclassifications, before tax	3,299
Tax benefit (expense)	(862)
Reclassifications, net of tax	2,437
Other comprehensive (loss) income, net of tax	16,248
Balance at October 31, 2013, net of tax	(21,225)
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Foreign Currency Translation Adjustment [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Reclassifications, before tax	827	[1]
Reclassifications, net of tax	827	[1]
Other comprehensive (loss) income, net of tax	13,194	[1]
Balance at October 31, 2013, net of tax	63,605	[1]
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Pension Benefits [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Reclassifications, before tax	2,538
Tax benefit (expense)	(890)
Reclassifications, net of tax	1,648	[2]
Other comprehensive (loss) income, net of tax	3,226
Balance at October 31, 2013, net of tax	(84,486)
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Derivative Financial Instruments [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Reclassifications, before tax	(66)
Tax benefit (expense)	28
Reclassifications, net of tax	(38)
Other comprehensive (loss) income, net of tax	(172)	[3]
Balance at October 31, 2013, net of tax	$ (344)

[1] Taxes are not provided on cumulative translation adjustments as substantially all translation adjustments relate to earnings that are intended to be indefinitely reinvested outside the U.S. Amounts were reclassified from accumulated other comprehensive loss to other income, net.

[2] Primarily includes net amortization of prior service costs and actuarial losses included in net periodic benefit cost (see Note K) that were reclassified from accumulated other comprehensive loss to operating expenses or cost of sales.

[3] Relates to foreign currency cash flow hedges that were reclassified from accumulated other comprehensive loss to other income, net (see Note L).