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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

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-Subparagraph (SX 210.4-08.(h)(2))

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended			3 Months Ended			6 Months Ended
	Jun. 29, 2013	Mar. 30, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012	Dec. 31, 2012	Dec. 31, 2013 Scenario, Forecast	Sep. 29, 2013 Scenario, Forecast	Jun. 30, 2012 Ducommun LaBarge Technologies	Jun. 30, 2012 Ducommun LaBarge Technologies	Jun. 29, 2013 Federal Research and Development
Income Taxes [Line Items]
Effective income tax rate	27.60%		4.70%	8.60%	16.00%
Research and development tax credit benefits	$ 0.5	$ 2.5					$ 0.5	$ 0.5	$ 1.6	$ 1.6	$ 2.0
Unrecognized tax benefits	$ 2.2			$ 2.2		$ 1.7