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Sale of South Coast Electric Assets - Additional Information (Detail) - USD ($) $ in Thousands		6 Months Ended
	Jun. 24, 2016	Jun. 30, 2016
Long Lived Assets Held For Sale [Line Items]
Gain on sale of fixed assets		$ 75
Bay St. Louis, MS Manufacturing Facility
Long Lived Assets Held For Sale [Line Items]
Gain on sale of facility	$ 180
Gain on sale of fixed assets	70
Gain on sale of inventory	$ 110

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- Definition

Gain loss on sale of inventory.

+ References

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- Definition

Gain on disposal of fixed assets.

+ References

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- Definition

Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2443-110228

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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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