v2.4.0.8
Pension and Postretirement Benefit Plans Asset Allocation (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 28, 2013
Dec. 29, 2012
Defined Benefit Plan Disclosure [Line Items]    
Actual plan asset allocations 100.00% 100.00%
Cash
    
Defined Benefit Plan Disclosure [Line Items]    
Actual plan asset allocations 12.00% 1.00%
Equity Securities
    
Defined Benefit Plan Disclosure [Line Items]    
Actual plan asset allocations 30.00% 31.00%
Fixed Income Securities
    
Defined Benefit Plan Disclosure [Line Items]    
Actual plan asset allocations 58.00% 68.00%
Pension Plans | Total
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets $ 243,153 $ 151,236
Pension Plans | Total | Cash
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 28,671 1,942
Pension Plans | Total | Equity Securities
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 72,919 46,293
Pension Plans | Total | U.S. small-cap
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 16,566 [1] 7,877 [1]
Pension Plans | Total | U.S mid-cap
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 16,233 [2] 10,509 [2]
Pension Plans | Total | Global equity funds
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 37,697 [3] 25,483
Pension Plans | Total | Emerging markets (d)
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 2,423 [4] 2,424 [4]
Pension Plans | Total | Fixed Income Securities
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 140,333 103,001
Pension Plans | Total | U.S. fixed income funds
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 43,069 [5] 4,121
Pension Plans | Total | Foreign fixed income funds (f)
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 97,264 [6] 98,880 [7]
Pension Plans | Total | 524292 Third Party Administration of Insurance and Pension Funds [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 1,230  
Pension Plans | Level 1
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 61,879 13,869
Pension Plans | Level 1 | Cash
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 28,671 1,942
Pension Plans | Level 1 | Equity Securities
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 22,178 7,806
Pension Plans | Level 1 | U.S. small-cap
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 11,023 [1] 6,190 [1]
Pension Plans | Level 1 | U.S mid-cap
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 4,993 [2] 522 [2]
Pension Plans | Level 1 | Global equity funds
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 5,079 [3] 0
Pension Plans | Level 1 | Emerging markets (d)
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 1,083 [4] 1,094 [4]
Pension Plans | Level 1 | Fixed Income Securities
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 11,030 4,121
Pension Plans | Level 1 | U.S. fixed income funds
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 11,030 [5] 4,121
Pension Plans | Level 1 | Foreign fixed income funds (f)
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 [6] 0 [7]
Pension Plans | Level 1 | 524292 Third Party Administration of Insurance and Pension Funds [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0  
Pension Plans | Level 2
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 175,337 137,367
Pension Plans | Level 2 | Cash
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 0
Pension Plans | Level 2 | Equity Securities
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 50,741 38,487
Pension Plans | Level 2 | U.S. small-cap
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 5,543 [1] 1,687 [1]
Pension Plans | Level 2 | U.S mid-cap
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 11,240 [2] 9,987 [2]
Pension Plans | Level 2 | Global equity funds
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 32,618 [3] 25,483
Pension Plans | Level 2 | Emerging markets (d)
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 1,340 [4] 1,330 [4]
Pension Plans | Level 2 | Fixed Income Securities
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 124,596 98,880
Pension Plans | Level 2 | U.S. fixed income funds
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 27,332 [5] 0
Pension Plans | Level 2 | Foreign fixed income funds (f)
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 97,264 [6] 98,880 [7]
Pension Plans | Level 2 | 524292 Third Party Administration of Insurance and Pension Funds [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0  
Pension Plans | Level 3
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 5,937 0
Pension Plans | Level 3 | Cash
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 0
Pension Plans | Level 3 | Equity Securities
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 0
Pension Plans | Level 3 | U.S. small-cap
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 [1] 0 [1]
Pension Plans | Level 3 | U.S mid-cap
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 [2] 0 [2]
Pension Plans | Level 3 | Global equity funds
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 [3] 0
Pension Plans | Level 3 | Emerging markets (d)
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 [4] 0 [4]
Pension Plans | Level 3 | Fixed Income Securities
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 4,707 0
Pension Plans | Level 3 | U.S. fixed income funds
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 4,707 [5] 0
Pension Plans | Level 3 | Foreign fixed income funds (f)
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets 0 [6] 0 [7]
Pension Plans | Level 3 | 524292 Third Party Administration of Insurance and Pension Funds [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets $ 1,230  
[1] This category consists of commingled and registered mutual funds that focus on equity securities of U.S companies. It includes both indexed and actively managed funds.
[2] This category consists of commingled and registered mutual funds that focus on equity securities of companies outside of the U.S. It includes both indexed and actively managed funds.
[3] This category consists of commingled and registered mutual funds that invest in equity securities of both U.S. and foreign companies. It includes actively managed funds
[4] This category consists of commingled and registered mutual funds that invest in equity securities of companies in emerging market economies. It includes actively managed funds.
[5] This category consists of actively managed funds that invest in investment-grade bonds of U.S. issuers from diverse industries and U.S. government bonds and treasury notes.
[6] This category consists of funds that invest in investment-grade bonds of foreign companies and Euro region government bonds.
[7] This category consists of funds that invest in investment-grade bonds of foreign companies and Euro region government bonds