Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
Jan. 02, 2011	Jul. 03, 2011	Jun. 27, 2010
Income Taxes
Effective tax rates		33.40%	37.90%
Tax benefit from research and experimentation credits, as a result of the retroactive extension	$ 1.2

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 47

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph h
-Subparagraph 2
-Article 4

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Data Type:	us-types:percentItemType
Balance Type:	na
Period Type:	duration