Note 2 - Discontinued Operations (Detail) - Discontinued operations results (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jul. 28, 2012	Jul. 30, 2011	Jul. 31, 2010
Net gain on sale of discontinued operations	$ 6,837		$ (1,895)
Net income from discontinued operations	1,230	2,824	551
Villa Sistemi Medicali S.p.A. [Member]
Sales	16,714	57,138	43,695
Income (loss) before taxes	1,894	4,520	2,938
Provision for income taxes	664	1,696	1,125
Net income (loss) from discontinued operations	1,230	2,824	1,813
Gain on disposal of discontinued operations	7,627
Provision for income taxes	790
Net gain on sale of discontinued operations	6,837
Net income from discontinued operations	$ 8,067

Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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- Definition

Pretax income (loss) from operations of a business component (exclusive of any gain (loss) on disposal, or provision therefore) during the reporting period, until its disposal.

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- Definition

After tax income (loss) from operations of a business component (exclusive of any gain (loss) on disposal, or provision therefore) during the reporting period, until its disposal.

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- Definition

Income tax expense or benefit attributable to Income or Loss from discontinued operations during the phase-out period.

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- Definition

Amount of tax expense or benefit on gain (loss), not previously recognized, resulting from the sale of a business component.

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- Definition

Amount of income (loss) from a disposal group, net of income tax, reported as a separate component of income before extraordinary items after deduction or consideration of the amount allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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