Commitments and Contingencies - Additional Information (Detail) (USD $)	Mar. 29, 2014
Credit Agreement
Commitments and Contingencies Disclosure [Line Items]
Letters of credit outstanding	$ 32,999,000
Guarantee Payment Of Insurance Claims
Commitments and Contingencies Disclosure [Line Items]
Letters of credit outstanding	61,982,000
Current Investments
Commitments and Contingencies Disclosure [Line Items]
Investments providing collateral for letters of credit to guarantee insurance claims	32,311,000
Cash equivalents providing collateral for letters of credit to guarantee insurance claims	3,249,000
Non-Current Investments
Commitments and Contingencies Disclosure [Line Items]
Investments providing collateral for letters of credit to guarantee insurance claims	32,948,000
Total non-current investments	$ 70,720,000