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Employee Retirement Plans (Tables) | 12 Months Ended
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Dec. 29, 2012
Compensation and Retirement Disclosure [Abstract] |
Schedule of Defined Benefit Plans Disclosures | A summary of the plans’ net periodic pension cost, benefit obligations, funded status, and net balance sheet position is as follows (dollars in thousands): Fiscal Year 2012
| Elgin Plan |  | Smithville Plan |  | Wrexham Plan |  | Director Plans
Net Periodic Pension Cost: |  |  |  |  |  |  |  |  |  |  |
Service cost | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1,625 |
Interest cost | 198 |  |  | 642 |  |  | 654 |  |  | 553 |
Expected return on assets | (171 | ) |  | (546 | ) |  | (787 | ) |  | — |
Amortization of net loss (gain) | 218 |  |  | 537 |  |  | — |  |  | (405 | )
Pension settlement | — |  |  | — |  |  | — |  |  | — |
| $ | 245 |  |  | $ | 633 |  |  | $ | (133 | ) |  | $ | 1,773 |
Change in Benefit Obligation: |  |  |  |  |  |  |  |  |  |  |
Benefit obligation – beginning of year | $ | 4,801 |  |  | $ | 15,204 |  |  | $ | 13,689 |  |  | $ | 11,378 |
Benefit obligations – acquisitions | — |  |  | — |  |  | — |  |  | — |
Service cost | — |  |  | — |  |  | — |  |  | 1,625 |
Interest on benefit obligations | 198 |  |  | 642 |  |  | 654 |  |  | 553 |
Actuarial loss (gain) | 125 |  |  | 724 |  |  | 1,238 |  |  | (4,563 | )
Pension settlement | — |  |  | — |  |  | — |  |  | — |
Net benefit payments | (262 | ) |  | (500 | ) |  | (706 | ) |  | — |
Exchange effect | — |  |  | — |  |  | 587 |  |  | — |
Benefit obligation – end of year | $ | 4,862 |  |  | $ | 16,070 |  |  | $ | 15,462 |  |  | $ | 8,993 |
Change in Plan Assets: |  |  |  |  |  |  |  |  |  |  |
Plan assets at fair value – beginning of year | $ | 3,188 |  |  | $ | 7,820 |  |  | $ | 11,518 |  |  | $ | — |
Plan assets at fair value – acquisitions | — |  |  | — |  |  | — |  |  | — |
Company contributions | 255 |  |  | 638 |  |  | 499 |  |  | — |
Investment (loss) gain | 322 |  |  | 823 |  |  | 1,191 |  |  | — |
Benefit payments and plan expenses | (262 | ) |  | (500 | ) |  | (706 | ) |  | — |
Exchange effect | — |  |  | — |  |  | 495 |  |  | — |
Plan assets at fair value – end of year | $ | 3,503 |  |  | $ | 8,781 |  |  | $ | 12,997 |  |  | $ | — |
Funded Status: |  |  |  |  |  |  |  |  |  |  |
Unfunded benefit obligation | $ | (1,359 | ) |  | $ | (7,289 | ) |  | $ | (2,465 | ) |  | $ | (8,993 | )
Amounts recognized in balance sheet at year end: |  |  |  |  |  |  |  |  |  |  |
Other noncurrent liabilities | $ | (1,359 | ) |  | $ | (7,289 | ) |  | $ | (2,465 | ) |  | $ | (8,993 | )
Pre-tax components in accumulated other comprehensive income: |  |  |  |  |  |  |  |  |  |  |
Net actuarial loss (gain) | $ | 1,857 |  |  | $ | 6,201 |  |  | $ | 2,303 |  |  | $ | (1,622 | )
Net prior service cost | — |  |  | — |  |  | — |  |  | — |
Net transaction (asset) obligations | — |  |  | — |  |  | — |  |  | — |
Total amount recognized | $ | 1,857 |  |  | $ | 6,201 |  |  | $ | 2,303 |  |  | $ | (1,622 | )
Accumulated Benefit Obligation | $ | 4,862 |  |  | $ | 16,070 |  |  | $ | 15,462 |  |  | $ | 4,764 |
Salary growth rate | n/a |  |  | n/a |  |  | n/a |  |  | 10.0 | %
Assumed discount rate | 4.0 | % |  | 4.0 | % |  | 4.1 | % |  | 4.0 | %
Expected return on assets | 5.5 | % |  | 7.0 | % |  | 6.2 | % |  | n/a |
Fiscal Year 2011
| Elgin Plan |  | Smithville Plan |  | Wrexham Plan |  | Director Plans
Net Periodic Pension Cost: |  |  |  |  |  |  |  |  |  |  |
Service cost | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1,123 |
Interest cost | 226 |  |  | 669 |  |  | 415 |  |  | 472 |
Expected return on assets | (178 | ) |  | (571 | ) |  | (480 | ) |  | — |
Amortization of net loss (gain) | 125 |  |  | 203 |  |  | — |  |  | 507 |
Pension settlement | — |  |  | — |  |  | — |  |  | 13 |
| $ | 173 |  |  | $ | 301 |  |  | $ | (65 | ) |  | $ | 2,115 |
Change in Benefit Obligation: |  |  |  |  |  |  |  |  |  |  |
Benefit obligation – beginning of year | $ | 4,142 |  |  | $ | 11,958 |  |  | $ | — |  |  | $ | 7,028 |
Benefit obligations – acquisitions | — |  |  | — |  |  | 13,328 |  |  | — |
Service cost | — |  |  | — |  |  | — |  |  | 1,123 |
Interest on benefit obligations | 226 |  |  | 669 |  |  | 415 |  |  | 472 |
Actuarial losses | 695 |  |  | 2,978 |  |  | 192 |  |  | 3,043 |
Pension settlement | — |  |  | — |  |  | — |  |  | 12 |
Net benefit payments | (262 | ) |  | (401 | ) |  | (246 | ) |  | (300 | )
Benefit obligation – end of year | $ | 4,801 |  |  | $ | 15,204 |  |  | $ | 13,689 |  |  | $ | 11,378 |
Change in Plan Assets: |  |  |  |  |  |  |  |  |  |  |
Plan assets at fair value – beginning of year | $ | 3,342 |  |  | $ | 8,253 |  |  | $ | — |  |  | $ | — |
Plan assets at fair value – acquisitions | — |  |  | — |  |  | 11,798 |  |  | — |
Company contributions | 156 |  |  | 225 |  |  | 465 |  |  | 300 |
Investment (loss) gain | (49 | ) |  | (257 | ) |  | (499 | ) |  | — |
Benefit payments and plan expenses | (261 | ) |  | (401 | ) |  | (246 | ) |  | (300 | )
Plan assets at fair value – end of year | $ | 3,188 |  |  | $ | 7,820 |  |  | $ | 11,518 |  |  | $ | — |
Funded Status: |  |  |  |  |  |  |  |  |  |  |
Unfunded benefit obligation | $ | (1,613 | ) |  | $ | (7,384 | ) |  | $ | (2,171 | ) |  | $ | (11,378 | )
Amounts recognized in balance sheet at year end: |  |  |  |  |  |  |  |  |  |  |
Other noncurrent liabilities | $ | (1,613 | ) |  | $ | (7,384 | ) |  | $ | (2,171 | ) |  | $ | (11,378 | )
Pre-tax components in accumulated other comprehensive income: |  |  |  |  |  |  |  |  |  |  |
Net actuarial loss (gain) | $ | 2,102 |  |  | $ | 6,291 |  |  | $ | 1,409 |  |  | $ | 2,536 |
Net prior service cost | — |  |  | — |  |  | — |  |  | — |
Net transaction (asset) obligations | — |  |  | — |  |  | — |  |  | — |
Total amount recognized | $ | 2,102 |  |  | $ | 6,291 |  |  | $ | 1,409 |  |  | $ | 2,536 |
Accumulated Benefit Obligation | $ | 4,801 |  |  | $ | 15,204 |  |  | $ | 13,689 |  |  | $ | 3,999 |
Salary growth rate | n/a |  |  | n/a |  |  | n/a |  |  | 10.0 | %
Assumed discount rate | 4.3 | % |  | 4.3 | % |  | 4.7 | % |  | 4.3 | %
Expected return on assets | 5.5 | % |  | 7.0 | % |  | 6.6 | % |  | n/a |
Schedule of Allocation of Plan Assets | The assets of the plans were invested in the following classes of securities (none of which were securities of the company): Elgin Plan
| Target Allocation |  |  | Percentage of Plan Assets |
|  |  | 2012 |  |  | 2011 |
Equity | 48 | % |  | 52 | % |  | 49 | %
Fixed income | 40 |  |  | 36 |  |  | 37 |
Money market | 4 |  |  | 6 |  |  | 5 |
Other (real estate & commodities) | 8 |  |  | 6 |  |  | 9 |
| 100 | % |  | 100 | % |  | 100 | %
Smithville Plan
| Target Allocation |  |  | Percentage of Plan Assets
|  |  | 2012 |  |  | 2011 |
Equity | 48 | % |  | 52 | % |  | 51 | %
Fixed income | 40 |  |  | 37 |  |  | 37 |
Money market | 4 |  |  | 5 |  |  | 4 |
Other (real estate & commodities) | 8 |  |  | 6 |  |  | 8 |
| 100 | % |  | 100 | % |  | 100 | %
Wrexham Plan
| Target Allocation |  |  | Percentage of Plan Assets
|  |  | 2012 |  | 2011 |
Equity | 50 | % |  | 71 | % |  | 66 | %
Fixed income | 50 |  |  | 26 |  |  | 27 |
Money market | — |  |  | 3 |  |  | 7 |
Other (real estate & commodities) | — |  |  | — |  |  | — |
| 100 | % |  | 100 | % |  | 100 | %
Pension Plans Fair Value Of Investments | The following tables summarize the basis used to measure the pension plans’ assets at fair value as of December 29, 2012 (in thousands): Elgin Plan
Asset Category |  | Total |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
Short Term Investment Fund (a) |  | $ | 205 |  |  | $ | — |  |  | $ | 205 |  |  | $ | — |
Equity Securities: |  |  |  |  |  |  |  |  |  |  |  |
Large Cap |  | 752 |  |  | 752 |  |  | — |  |  | — |
Mid Cap |  | 86 |  |  | 86 |  |  | — |  |  | — |
Small Cap |  | 84 |  |  | 84 |  |  | — |  |  | — |
International |  | 778 |  |  | 778 |  |  | — |  |  | — |
Fixed Income: |  |  |  |  |  |  |  |  |  |  |  |
Government/Corporate |  | 1,119 |  |  | 1,119 |  |  | — |  |  | — |
High Yield |  | 141 |  |  | 141 |  |  | — |  |  | — |
Alternative: |  |  |  |  |  |  |  |  |  |  |  |
Global Real Estate |  | 139 |  |  | 139 |  |  | — |  |  | — |
Commodities |  | 199 |  |  | 199 |  |  | — |  |  | — |
Total |  | $ | 3,503 |  |  | $ | 3,298 |  |  | $ | 205 |  |  | $ | — |
(a) | Represents collective short term investment fund, composed of high-grade money market instruments with short maturities.
Smithville Plan
Asset Category |  | Total |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
Short Term Investment Fund (a) |  | $ | 402 |  |  | $ | — |  |  | $ | 402 |  |  | $ | — |
Equity Securities: |  |  |  |  |  |  |  |  |  |  |  |
Large Cap |  | 1,920 |  |  | 1,920 |  |  | — |  |  | — |
Mid Cap |  | 223 |  |  | 223 |  |  | — |  |  | — |
Small Cap |  | 212 |  |  | 212 |  |  | — |  |  | — |
International |  | 1,958 |  |  | 1,958 |  |  | — |  |  | — |
Fixed Income: |  |  |  |  |  |  |  | — |  |  | — |
Government/Corporate |  | 2,861 |  |  | 2,861 |  |  | — |  |  | — |
High Yield |  | 353 |  |  | 353 |  |  | — |  |  | — |
Alternative: |  |  |  |  |  |  |  |  |  |  |  |
Global Real Estate |  | 355 |  |  | 355 |  |  | — |  |  | — |
Commodities |  | 497 |  |  | 497 |  |  | — |  |  | — |
Total |  | $ | 8,781 |  |  | $ | 8,379 |  |  | $ | 402 |  |  | $ | — |
(a) | Represents collective short term investment fund, composed of high-grade money market instruments with short maturities.
Wrexham Plan
Asset Category |  | Total |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
Short Term Investment Fund (a) |  | $ | 328 |  |  | $ | — |  |  | $ | 328 |  |  | $ | — |
Equity Securities: |  |  |  |  |  |  |  |  |  |  |  |
UK |  | 4,430 |  |  | 4,430 |  |  | — |  |  | — |
International |  |  |  |  |  |  |  |  |  |  |  |
Developed |  | 3,663 |  |  | 3,663 |  |  | — |  |  | — |
Emerging |  | 548 |  |  | 548 |  |  | — |  |  | — |
Global |  | 636 |  |  | 636 |  |  | — |  |  | — |
Fixed Income: |  |  |  |  |  |  |  | — |  |  | — |
Government/Corporate |  | 1,965 |  |  | 1,965 |  |  | — |  |  | — |
Aggregate |  | 373 |  |  | 373 |  |  | — |  |  | — |
Index Linked |  | 1,054 |  |  | 1,054 |  |  | — |  |  | — |
Total |  | $ | 12,997 |  |  | $ | 12,669 |  |  | $ | 328 |  |  | $ | — |
(a) | Represents collective short term investment fund, composed of high-grade money market instruments with short maturities.
Schedule of Expected Benefit Payments | Estimated future benefit payments under the plans are as follows (dollars in thousands):
| Elgin Plan |  |  | Smithville Plan |  |  | Wrexham Plan |  |  | Director Plans |
2013 | $ | 311 |  |  | $ | 470 |  |  | $ | 646 |  |  | $ | — |
2014 | 304 |  |  | 501 |  |  | 679 |  |  | — |
2015 | 299 |  |  | 522 |  |  | 711 |  |  | — |
2016 | 308 |  |  | 568 |  |  | 743 |  |  | — |
2017 through 2022 | 1,806 |  |  | 4,195 |  |  | 5,170 |  |  | 4,943 |

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