Discontinued Operations	12 Months Ended
Discontinued Operations	Mar. 31, 2013
Discontinued Operations and Disposal Groups [Abstract]
Discontinued Operations	Discontinued Operations During the fiscal year ended March 29, 2009, we agreed to sell our inventory and entered into a marketing agreement regarding the business of our Pharmaceutical segment, which provided pharmaceutical chemicals to retail pharmacies and small-scale pharmaceutical manufacturers. We have no remaining obligations to fulfill under the agreement. The results of the Pharmaceutical segment have been reported as discontinued operations for all periods presented.

The entire disclosure for the facts and circumstances leading to the completed or expected disposal, manner and timing of disposal, the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss), amounts of revenues and pretax profit or loss reported in discontinued operations, the segment in which the disposal group was reported, and the classification (whether sold or classified as held for sale) and carrying value of the assets and liabilities comprising the disposal group. Includes all disposal groups, including those classified as components of the entity (discontinued operations).

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