Income Taxes - Schedule of Unrecognized Tax Benefit Rollforward (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2011
Unrecognized Tax Benefits:
Beginning balance	$ 36,532	$ 22,343	$ 17,668
Additions based on tax positions related to the current year	4,015	6,983	5,147
Additions for tax positions of prior years	2,809	9,460	2,387
Reductions for tax positions of prior years	0	0	(291)
Lapse of statute of limitations	(5,613)	(949)	(2,803)
Settlements with tax authorities	(590)	0	(728)
Cumulative Translation Adjustments and other	422	(1,305)	963
Ending balance	$ 37,575	$ 36,532	$ 22,343

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The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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The gross amount of decreases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns.

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The gross amount of decreases in unrecognized tax benefits resulting from settlements with taxing authorities.

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The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns.

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Gross amount of increases in unrecognized tax benefits resulting from foreign currency translation.

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The gross amount of decreases in unrecognized tax benefits resulting from lapses of the applicable statutes of limitations.

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