Note 13 Stock Options Outstanding (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	Oct. 01, 2011
$1.50 to $2.94 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Outstanding Options	1,302
Outstanding Options, Weighted Average Remaining Contractual Term	7.27
Outstanding Options, Weighted Average Exercise Price, Beginning Balance	$ 2.40
Number of Exercisable Options	731
Exercisable Options, Weighted Average Exercise Price	$ 2.41
$2.95 to $4.45 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Outstanding Options	2,185
Outstanding Options, Weighted Average Remaining Contractual Term	7.89
Outstanding Options, Weighted Average Exercise Price, Beginning Balance	$ 4.45
Number of Exercisable Options	1,011
Exercisable Options, Weighted Average Exercise Price	$ 4.45
$4.46 to $9.50 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Outstanding Options	1,670
Outstanding Options, Weighted Average Remaining Contractual Term	7.95
Outstanding Options, Weighted Average Exercise Price, Beginning Balance	$ 8.76
Number of Exercisable Options	891
Exercisable Options, Weighted Average Exercise Price	$ 8.67
$9.51 to $12.78 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Outstanding Options	1,601
Outstanding Options, Weighted Average Remaining Contractual Term	7.46
Outstanding Options, Weighted Average Exercise Price, Beginning Balance	$ 11.74
Number of Exercisable Options	875
Exercisable Options, Weighted Average Exercise Price	$ 12.18
$12.79 to $18.32 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Outstanding Options	978
Outstanding Options, Weighted Average Remaining Contractual Term	9.21
Outstanding Options, Weighted Average Exercise Price, Beginning Balance	$ 16.02
Number of Exercisable Options	89
Exercisable Options, Weighted Average Exercise Price	$ 16.43
$18.33 to $21.12 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Outstanding Options	1,641
Outstanding Options, Weighted Average Remaining Contractual Term	5.60
Outstanding Options, Weighted Average Exercise Price, Beginning Balance	$ 21.10
Number of Exercisable Options	1,637
Exercisable Options, Weighted Average Exercise Price	$ 21.10
$21.13 to $146.52 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Outstanding Options	1,545
Outstanding Options, Weighted Average Remaining Contractual Term	3.30
Outstanding Options, Weighted Average Exercise Price, Beginning Balance	$ 35.39
Number of Exercisable Options	1,501
Exercisable Options, Weighted Average Exercise Price	$ 35.78
$1.50 to $146.52 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Outstanding Options	10,922
Outstanding Options, Weighted Average Remaining Contractual Term	6.89
Outstanding Options, Weighted Average Exercise Price, Beginning Balance	$ 13.85
Number of Exercisable Options	6,735
Exercisable Options, Weighted Average Exercise Price	$ 16.98

Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

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

The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(c)

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(iii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(a, b)

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The weighted-average period remaining as of the balance sheet date until option expiration pertaining to the outstanding stock options for all option plans in the customized range of exercise prices, which may be expressed in a variety of ways (for example, years, months).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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