DEFINED CONTRIBUTION PLANS (Details) (USD $) In Millions, unless otherwise specified	Sep. 26, 2014	Dec. 27, 2013
Compensation and Retirement Disclosure [Abstract]
Deferred compensation liability, current and noncurrent	$ 9.6	$ 6.6

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

No definition available.

Name:	us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant