Accounting Policies (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Apr. 30, 2011 PositionsEliminated Facilities RetailMarketSegment UnionContract Votes Plants	Apr. 30, 2010	Apr. 30, 2009
Accounting Policies (Textuals)
Approximate percentage of net sales sold to Wal-Mart Stores, Inc. and subsidiaries	26.00%	27.00%	24.00%
Percentage of sales to be considered to determine major customers	10.00%
Number of U.S. retail market segments that contain major customer sales	3
Amount due from Wal-Mart Stores, Inc. and subsidiaries included in trade receivables	$ 87,623	$ 61,176
Company's total promotional expenditures, including amounts classified as a reduction of net sales, represented approximately in percentage of net sales	26.00%
Advertising Expense	115,066	130,583	77,363
Research and Development Costs	20,981	20,963	14,498
Requisite performance period for share based payments	1 year
Requisite service period for share based payments	4 year
Total unrecognized share-based compensation cost related to nonvested share-based awards	33,703
Weighted-average period of recognition	3
Actual tax deductible benefit realized from share-based compensation	7,310	3,005	2,353
Excess tax benefits realized upon exercise or vesting of share-based compensation	6,990	2,908	2,372
Allowance for doubtful accounts	1,882	1,521
Work-in-process	77,594	49,214
Maximum maturity period of short-term investments to be considered as cash equivalents	3 months
Rent expense	57,572	55,010	36,547
Fair value of available-for-sale marketable securities included in other current assets	18,600
Proceeds from available-for-sale marketable securities realized upon maturity or sale	57,100	13,519	3,013
Fair value of available-for-sale marketable securities included in other noncurrent assets	41,560	34,895
Unrealized gains included in accumulated other comprehensive income (loss) on other investments	2,817	693
Approximate percentage of Company's employees covered by union contracts	32.00%
Number of union contracts expiring in 2012	3
Facilities covered by union contracts	10
Increase (Decrease) in net provision for the allowance for doubtful accounts	361	(480)	1,091
Minimum operating lease obligations in 2012	26,110
Minimum operating lease obligations in 2013	21,887
Minimum operating lease obligations in 2014	18,956
Minimum operating lease obligations in 2015	14,121
Minimum operating lease obligations in 2016 and beyond	$ 22,565
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated minimum useful life of assets, in years	3
Estimated maximum useful life of assets, in years	20
Capitalized software costs [Member]
Property, Plant and Equipment [Line Items]
Estimated minimum useful life of assets, in years	3
Estimated maximum useful life of assets, in years	7
Buildings, fixtures, and improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated minimum useful life of assets, in years	5
Estimated maximum useful life of assets, in years	40

Accounting Policies Textuals Abstract.

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Actual Tax Deductible Benefit Realized From Share Based Compensation.

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Approximate percentage of Company's employees covered by union contracts.

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Increase (Decrease) in net provision for the allowance for doubtful accounts.

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Amount due from major customers included in trade receivable.

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Maximum maturity period of short-term investments to be considered as cash equivalents.

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Number of facilities covered by union contracts.

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Number of Retail Market Segment in Domestic Country.

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Number of union contracts expiring in 2012.

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Operating Leases Future Minimum Payments Due In Five Years And Thereafter.

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Percentage of sales to be considered to determine major customers.

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Percentage of sales sold to a single external customer that accounts for 10 percent or more of the entity's sales.

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Percentage of total promotional expenditures Including amounts classified as a reduction of net sales.

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Requisite performance period for share based payments.

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Requisite service period for share based payments.

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Unrealized gains included in accumulated other comprehensive income (loss) on other investments.

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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-Publisher AICPA
-Name Statement of Position (SOP)
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A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 4
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Total of debt securities categorized neither as held-to-maturity nor trading which are intended be sold or mature within one year from the balance sheet date or the normal operating cycle, whichever is longer. Such securities are reported at fair value; unrealized gains and losses of such securities are excluded from earnings and included in other comprehensive income, a separate component of shareholders' equity, unless the Available-for-sale Security is designated as a hedge or is determined to have had an other than temporary decline in fair value below its amortized cost basis. All or a portion of the unrealized holding gain or loss of an Available-for-sale Security that is designated as being hedged in a fair value hedge shall be recognized in earnings during the period of the hedge, as should other than temporary declines in fair value below costs basis.

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-Name Accounting Research Bulletin (ARB)
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Investments in debt and equity securities which are categorized neither as held-to-maturity nor trading and which are intended to be sold or mature more than one year from the balance sheet date or operating cycle, if longer.

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The weighted average period over which unrecognized compensation is expected to be recognized for share-based compensation plans, using a decimal to express in number of years.

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As of the latest balance-sheet date presented, the total compensation cost related to outstanding, nonvested share-based compensation awards not yet recognized (will be charged against earnings as services are performed or other vesting criteria are met).

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Reductions in the entity's income taxes that arise when compensation cost (from non-qualified share-based compensation) recognized on the entity's tax return exceeds compensation cost from share-based compensation recognized in financial statements. This element represents the cash inflow reported in the enterprise's financing activities.

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Carrying amount as of the balance sheet date of merchandise or goods which are partially completed, are generally comprised of raw materials, labor and factory overhead costs, and which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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-Name Regulation S-X (SX)
-Number 210
-Section 02
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-Article 5

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Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses.

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For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within one year of the balance sheet date relating to leases defined as operating.

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For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the fourth year of the balance sheet date relating to leases defined as operating.

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For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the third year of the balance sheet date relating to leases defined as operating.

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For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the second year of the balance sheet date relating to leases defined as operating.

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The cash inflow associated maturities (principal being due), prepayments and calls (requests of early payments) on securities not classified as either held-to-maturity securities or trading securities which are classified as available-for-sale securities.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The maximum useful life of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land and improvements, buildings, and production equipment.

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The minimum useful life of long lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land and improvements, buildings, and production equipment.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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