NATURE OF OPERATIONS AND ACCOUNTING POLICIES. (Details 5)	12 Months Ended
Dec. 27, 2014
Land improvements
Property, Plant and Equipment
Useful life	22 years
Buildings
Property, Plant and Equipment
Useful life	40 years
Machinery and equipment \| Minimum
Property, Plant and Equipment
Useful life	3 years
Machinery and equipment \| Maximum
Property, Plant and Equipment
Useful life	10 years

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration