Fair Value Measurements - Fair Value Hierarchy and Valuation Techniques Used for Derivative Financial Instruments (Detail) (Foreign exchange contracts, USD $) In Thousands, unless otherwise specified	Sep. 27, 2014
Assets:
Assets	$ 0	[1]
Liabilities:
Liabilities	70	[1]
Level 1
Assets:
Assets	0	[1]
Liabilities:
Liabilities	0	[1]
Level 2
Assets:
Assets		[1]
Liabilities:
Liabilities	70	[1]
Level 3
Assets:
Assets		[1]
Liabilities:
Liabilities		[1]

[1] Foreign exchange contracts are valued using an income approach based on forward rates less the contract rate multiplied by the notional value.