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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- Definition

Number of shares that have been repurchased and retired during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 12

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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- Definition

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

+ References

+ Details

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- Definition

The amount authorized by an entity's Board of Directors under a stock repurchase plan.

+ Details

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- Definition

The remaining repurchase amount authorized by an entity's Board of Directors under a stock repurchase plan.

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- Definition

Common stock and debentures repurchase program.

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- Definition

Number of treasury shares or debentures were held under repurchase program.

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Common Stock And Debentures Repurchase Program (Details) (USD $) In Millions, except Share data	6 Months Ended	12 Months Ended	1 Months Ended	6 Months Ended		12 Months Ended	16 Months Ended
	Oct. 01, 2011	Apr. 02, 2011	Jun. 30, 2010 Repurchase Program, 2010 [Member]	Oct. 01, 2011 Repurchase Program, 2010 [Member]	Oct. 02, 2010 Repurchase Program, 2010 [Member]	Mar. 31, 2012 Repurchase Program, 2010 [Member]	Oct. 01, 2011 Repurchase Program, 2010 [Member]
Accelerated Share Repurchases [Line Items]
Amount authorized for common stock repurchase			$ 500.0
Total amount of common shares repurchased				187.2	466.3		280.4
Total amount available for future repurchases						$ 219.6
Number of common shares repurchased				5,900,000	17,600,000
Common Stock and Debentures Repurchase Program (Textual) [Abstract]
Number of treasury shares or debentures were held under repurchase program	0	0