Derivative Instruments - Fair Value of Derivative Instruments Not Designated as Hedging Instruments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 27, 2014		Dec. 28, 2013
Derivative [Line Items]
Prepaid Expenses and Other Assets	$ 24,636		$ 17,752
Designated as Hedging Instrument [Member]
Derivative [Line Items]
Prepaid Expenses and Other Assets	0		29
Other Accrued Liabilities	(64)		(26)
Designated as Hedging Instrument [Member] | Related to euro denominated receivables
Derivative [Line Items]
Gross Notional	34,445	[1]	16,867	[1]
Prepaid Expenses and Other Assets	0		27
Other Accrued Liabilities	(53)		0
Designated as Hedging Instrument [Member] | Related to British pound denominated receivables
Derivative [Line Items]
Gross Notional	2,678	[1]	13,271	[1]
Prepaid Expenses and Other Assets	0		0
Other Accrued Liabilities	(9)		(26)
Designated as Hedging Instrument [Member] | Related to restricted cash
Derivative [Line Items]
Gross Notional	1,236	[1]	1,391	[1]
Prepaid Expenses and Other Assets	0		2
Other Accrued Liabilities	$ (2)		$ 0

[1] Represents the face amounts of forward contracts that were outstanding as of the period noted.