Difference Between Income Tax Benefit Derived by Applying U.S. Federal Statutory Income Tax Rate to Loss from Continuing Operations Before Income Tax and Income Tax Benefit Recognized (Detail) (USD $)
In Thousands, unless otherwise specified

3 Months Ended

9 Months Ended

12 Months Ended

Sep. 29, 2012

Oct. 01, 2011

Sep. 29, 2012

Oct. 01, 2011

Dec. 31, 2011

Dec. 31, 2010

Dec. 31, 2009

Income Tax Rate Reconciliation [Line Items]

Benefit derived by applying the U.S. Federal statutory income tax rate to loss from continuing operations before income taxes

$ (93,144)

$ (30,075)

$ (24,874)

State tax benefit, net

(5,315)

(2,594)

(1,071)

Change in state effective tax rates

(2,350)

(3,859)

Change in German tax laws

(379)

Gain on subsidiary stock sale

2,609

Unrecognized tax benefits

(344)

706

2,460

Goodwill impairment

39,513

Valuation allowance

2,100

(470)

519

Foreign exchange gain

(37)

1,816

Permanent differences and other, net

4,646

565

1,101

Total income tax benefit

$ 569

$ (14,096)

$ 3,044

$ (36,055)

$ (52,544)

$ (34,255)

$ (21,678)

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The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to changes in the valuation allowance for deferred tax assets in the period.

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