Repurchases of Common Shares in Open Market (Detail) (Open Market Repurchases, USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended	6 Months Ended	12 Months Ended
Mar. 28, 2015	Dec. 27, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 28, 2013	Mar. 28, 2015	Sep. 27, 2014
Open Market Repurchases
Stock Repurchase Program [Line Items]
Number of Shares	56,400	45,704	81,255	58,661	79,749	66,847	102,104	286,512
Average Repurchase Price Per Share	$ 124.11	$ 109.40	$ 98.46	$ 85.23	$ 75.24	$ 74.79
Amount	$ 7,000	$ 5,000	$ 8,000	$ 5,000	$ 6,000	$ 5,000	$ 12,000	$ 24,000

The weighted average price of the shares that have been repurchased and retired during the period.

No definition available.

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- Details

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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 SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: 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 3: 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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