PENSION AND OTHER POSTRETIREMENT BENEFITS (Schedule of Fair Value Assumptions of Plan Assets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 29, 2013		Dec. 30, 2012
Fair value of plan assets	$ 108,496		$ 92,283	[1]
Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	275	[2]	72	[1],[2]
Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	108,221	[3]	92,211	[1],[3]
Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets		[4]		[1],[4]
Cash and Cash Equivalents [Member]
Fair value of plan assets	275		72	[1]
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	275	[2]	72	[1],[2]
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets		[3]		[1],[3]
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets		[4]		[1],[4]
Large U.S. equity funds [Member] | Pooled Separate Accounts [Member]
Fair value of plan assets	4,828	[5]	4,181	[1],[5]
Large U.S. equity funds [Member] | Pooled Separate Accounts [Member] | Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets		[2],[5]		[1],[2],[5]
Large U.S. equity funds [Member] | Pooled Separate Accounts [Member] | Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	4,828	[3],[5]	4,181	[1],[3],[5]
Large U.S. equity funds [Member] | Pooled Separate Accounts [Member] | Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets		[4],[5]		[1],[4],[5]
Large U.S. equity funds [Member] | Common Collective Trust Funds [Member]
Fair value of plan assets	28,784	[5]	32,434	[1],[5]
Large U.S. equity funds [Member] | Common Collective Trust Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets		[2],[5]		[1],[2],[5]
Large U.S. equity funds [Member] | Common Collective Trust Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	28,784	[3],[5]	32,434	[1],[3],[5]
Large U.S. equity funds [Member] | Common Collective Trust Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets		[4],[5]		[1],[4]
Small/Mid U.S. equity funds [Member] | Pooled Separate Accounts [Member]
Fair value of plan assets	1,192	[6]	1,060	[1],[6]
Small/Mid U.S. equity funds [Member] | Pooled Separate Accounts [Member] | Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets		[2],[6]		[1],[2],[6]
Small/Mid U.S. equity funds [Member] | Pooled Separate Accounts [Member] | Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	1,192	[3],[6]	1,060	[1],[3],[6]
Small/Mid U.S. equity funds [Member] | Pooled Separate Accounts [Member] | Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets		[4],[6]		[1],[4],[6]
Small/Mid U.S. equity funds [Member] | Common Collective Trust Funds [Member]
Fair value of plan assets	16,937	[6]	12,659	[1],[6]
Small/Mid U.S. equity funds [Member] | Common Collective Trust Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets		[2],[6]		[1],[2],[6]
Small/Mid U.S. equity funds [Member] | Common Collective Trust Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	16,937	[3],[6]	12,659	[1],[3],[6]
Small/Mid U.S. equity funds [Member] | Common Collective Trust Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets		[4],[6]		[1],[4],[6]
International equity funds [Member] | Pooled Separate Accounts [Member]
Fair value of plan assets	2,019	[7]	1,908	[1],[7]
International equity funds [Member] | Pooled Separate Accounts [Member] | Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets		[2],[7]		[1],[2],[7]
International equity funds [Member] | Pooled Separate Accounts [Member] | Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	2,019	[3],[7]	1,908	[1],[3],[7]
International equity funds [Member] | Pooled Separate Accounts [Member] | Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets		[4],[7]		[1],[4],[7]
International equity funds [Member] | Common Collective Trust Funds [Member]
Fair value of plan assets	19,420	[7]	12,831	[1],[7]
International equity funds [Member] | Common Collective Trust Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets		[2],[7]		[1],[2],[7]
International equity funds [Member] | Common Collective Trust Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	19,420	[3],[7]	12,831	[1],[3],[7]
International equity funds [Member] | Common Collective Trust Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets		[4],[7]		[1],[4],[7]
Fixed income funds [Member] | Pooled Separate Accounts [Member]
Fair value of plan assets	3,442	[8]	2,693	[1],[8]
Fixed income funds [Member] | Pooled Separate Accounts [Member] | Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets		[2],[8]		[1],[2],[8]
Fixed income funds [Member] | Pooled Separate Accounts [Member] | Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	3,442	[3],[8]	2,693	[1],[3],[8]
Fixed income funds [Member] | Pooled Separate Accounts [Member] | Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets		[4],[8]		[1],[4],[8]
Fixed income funds [Member] | Common Collective Trust Funds [Member]
Fair value of plan assets	31,599	[8]	12,445	[1],[8]
Fixed income funds [Member] | Common Collective Trust Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets		[2],[8]		[1],[2],[8]
Fixed income funds [Member] | Common Collective Trust Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	31,599	[3],[8]	24,445	[1],[3],[8]
Fixed income funds [Member] | Common Collective Trust Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets		[4],[8]		[1],[4],[8]

[1] We have made certain reclassifications to the December 30, 2012 fair value hierarchy with no impact to total reported plan assets in order to conform to the December 29, 2013 presentation.

[2] Unadjusted quoted prices in active markets for identical assets are used to determine fair value.

[3] Quoted prices in active markets for similar assets and inputs that are observable for the asset are used to determine fair value.

[4] Unobservable inputs, such as discounted cash flow models or valuations, are used to determine fair value.

[5] This category is comprised of investment options that invest in stocks, or shares of ownership, in large, well-established U.S. companies. These investment options typically carry more risk than fixed income options but have the potential for higher returns over longer time periods.

[6] This category is generally comprised of investment options that invest in stocks, or shares of ownership, in small to medium-sized U.S. companies. These investment options typically carry more risk than larger U.S. equity investment options but have the potential for higher returns.

[7] This category is comprised of investment options that invest in stocks, or shares of ownership, in companies with their principal place of business or office outside of the U.S.

[8] This category is comprised of investment options that invest in bonds, or debt of a company or government entity (including U.S. and non-U.S. entities). It may also include real estate investment options that directly own property. These investment options typically carry more risk than short-term fixed income investment options (including, for real estate investment options, liquidity risk), but less overall risk than equities.