Employee Benefit Plans (Fair Value of Pension Plans) (Details) (Pension Plan [Member], USD $) In Thousands, unless otherwise specified	Dec. 29, 2013	Dec. 30, 2012	Jan. 01, 2012
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	$ 160,603	$ 127,917	$ 119,344
Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	90,789	73,031
Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	69,814	54,886
Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0	0	28,911
Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	3	0
Cash and Cash Equivalents [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	3	0
Cash and Cash Equivalents [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0	0
Cash and Cash Equivalents [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0	0
Equity Holdings [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	90,786	73,031
Equity Holdings [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	90,786	73,031
Equity Holdings [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0	0
Equity Holdings [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0	0
U.S. Large Cap [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	21,273	43,759
U.S. Large Cap [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	21,273	43,759
U.S. Large Cap [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0	0
U.S. Large Cap [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0	0
U.S. Small Cap [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	7,216	4,087
U.S. Small Cap [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	7,216	4,087
U.S. Small Cap [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0	0
U.S. Small Cap [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0	0
U.S. Blended Cap [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	27,794
U.S. Blended Cap [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	27,794
U.S. Blended Cap [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0
U.S. Blended Cap [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0
International Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	34,503	25,185
International Equity [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	34,503	25,185
International Equity [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0	0
International Equity [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0	0
Fixed Income Holdings [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	33,845	24,748
Fixed Income Holdings [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0	0
Fixed Income Holdings [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	33,845	24,748
Fixed Income Holdings [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0	0
Core Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	13,654	19,618
Core Fixed Income [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0	0
Core Fixed Income [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	13,654	19,618
Core Fixed Income [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0	0
Diversified short term debt [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	9,732
Diversified short term debt [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0
Diversified short term debt [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	9,732
Diversified short term debt [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0
Emerging Market Debt [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	7,942	5,130
Emerging Market Debt [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0	0
Emerging Market Debt [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	7,942	5,130
Emerging Market Debt [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0	0
High yield debt [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	2,517
High yield debt [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0
High yield debt [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	2,517
High yield debt [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0
Multi asset class holdings [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	15,032
Multi asset class holdings [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0
Multi asset class holdings [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	15,032
Multi asset class holdings [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0
Limited Partnership Holdings [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	20,937	30,138
Limited Partnership Holdings [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0	0
Limited Partnership Holdings [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	20,937	30,138
Limited Partnership Holdings [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	$ 0	$ 0