Employee Benefit Plans - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 27, 2014 Multiemployer_pension_plans	Mar. 29, 2014	Sep. 28, 2013
Multiemployer Plans [Line Items]
Employer contribution for pension plan	$ 145
Demand notice aggregate payments of multiemployer plan withdrawal liability			56,000
Period of payment of withdrawal liability (in years)			20 years
Demand notice multiemployer plan withdrawal liability			35,100
Aggregate payments of multiemployer pension plan withdrawal liability			34,500
Discount rate (in percent)			5.25%
Multi-employer plan withdrawal liability			23,500
Accretion expense			113
Pension withdrawal and associated expenses	0	8,167	1,687
Payments made to the Central States Fund	$ 700		$ 0
Number of remaining other MEPPs	4
Number of MEPPs pending negotiations	1
Number of MEPPs we are finalizing withdrawal	3
Number of MEPPs we have received a formal demand notice	1
Number of MEPPs with updated underfunded liability	1