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Pension and Retirement Plans Schedule of Net Periodic Benefit Cost, Pinnacle Foods (Details) (USD $)
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3 Months Ended | 12 Months Ended | |
|---|---|---|---|
|
Mar. 29, 2015
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Mar. 30, 2014
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Dec. 28, 2014
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| Defined Benefit Plans and Other Postretirement Benefit Plans, Pinnacle Foods | |||
| Defined Benefit Plan Disclosure [Line Items] | |||
| Interest cost | $ 2,828,000 | $ 2,902,000 | |
| Expected return on assets | (3,391,000) | (3,292,000) | |
| Amortization of actuarial loss | 269,000 | 32,000 | |
| Net periodic cost | (294,000) | (358,000) | |
| Expected future contributions | 2,800,000 | ||
| Company contributions | 1,700,000 | 2,100,000 | 7,800,000 |
| Defined Benefit Plans and Other Postretirement Benefit Plans, Multi-employer Plans [Member] | |||
| Defined Benefit Plan Disclosure [Line Items] | |||
| Employer contributions | $ 193,000 | $ 193,000 | |