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Commitments and Contingencies - Additional Information (Detail) (USD $) | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  | 0 Months Ended | 12 Months Ended |  |  | 1 Months Ended |
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May 28, 2013 | Jun. 28, 2014 | Jun. 29, 2013 | Jun. 28, 2014 | Jun. 29, 2013 | Dec. 28, 2013 | Jun. 28, 2014 Revolving Credit Facility | Jul. 09, 2014 Subsequent Event Judicial Ruling | Sep. 23, 2011 Damage Award | Dec. 31, 2007 Damage Award | Jun. 28, 2014 Damage Award | Mar. 31, 2007 Damage Award | May 28, 2013 Prejudgment Interest | May 28, 2013 Attorney Fees and Post-judgment Interest | Jun. 28, 2014 Guarantee Payment Of Insurance Claims | Jun. 28, 2014 Current Investments | Jun. 28, 2014 Non-Current Investments
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investments providing collateral for letters of credit to guarantee insurance claims |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 33,408,000 | $ 34,600,000
Cash equivalents providing collateral for letters of credit to guarantee insurance claims |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,225,000 |
Total non-current investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 70,124,000
Letters of credit outstanding |  |  |  |  |  |  | 33,000,000 |  |  |  |  |  |  |  | 64,432,000 |  |
Aggregate damage awarded | 55,200,000 |  |  |  |  |  |  |  | 40,200,000 |  |  |  | 1,000,000 | 14,000,000 |  |  |
Post-judgment interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 6.25% |  |  |
Retained liability of self-insurance program |  |  |  |  |  |  |  |  |  |  |  | 5,000,000 |  |  |  |  |
Operating insurance and claims costs, production |  | 13,849,000 | 11,809,000 | 25,706,000 | 23,572,000 |  |  |  |  | 5,000,000 |  |  |  |  |  |  |
Agreed settlement amount for plaintiffs |  |  |  |  |  |  |  | 42,000,000 |  |  |  |  |  |  |  |  |
Receivable from the third party insurance providers |  | 54,615,000 |  | 54,615,000 |  | 73,903,000 |  |  |  |  | 40,500,000 |  |  |  |  |  |
Corresponding liability |  | $ 77,909,000 |  | $ 77,909,000 |  | $ 92,280,000 |  |  |  |  | $ 40,500,000 |  |  |  |  |  |

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- Definition Carrying amount of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property that are expected to be paid within one year (or the normal operating cycle, if longer). + References No definition available. + Details
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