Fair Value Measurements (Assets And Liabilities Measured At Fair Value On Recurring Basis) (Detail) - USD ($) $ in Thousands	Dec. 30, 2017	Jul. 01, 2017	Dec. 28, 2016	Oct. 01, 2016	Sep. 03, 2014
Fair Value Disclosures [Line Items]
Line of Credit Facility, Amount Outstanding	$ 15,600	$ 18,300
Long-term Debt	37,326				$ 35,000
Term Loan
Fair Value Disclosures [Line Items]
Long-term Debt	18,800	21,300
Equipment Term Loan
Fair Value Disclosures [Line Items]
Long-term Debt	3,000	3,500	$ 3,900
Forward Contracts and swaps
Fair Value Disclosures [Line Items]
Foreign currency forward contracts, Financial Assets	86	1,010
Foreign currency forward contracts, Financial Liabilities	(4,589)	(5,112)
Interest Rate Swap
Fair Value Disclosures [Line Items]
Foreign currency forward contracts, Financial Assets				$ 3
Foreign currency forward contracts, Financial Liabilities	(27)	(103)
Level 1 | Forward Contracts and swaps
Fair Value Disclosures [Line Items]
Foreign currency forward contracts, Financial Assets	0	0
Foreign currency forward contracts, Financial Liabilities	0	0
Level 1 | Interest Rate Swap
Fair Value Disclosures [Line Items]
Foreign currency forward contracts, Financial Assets				0
Foreign currency forward contracts, Financial Liabilities	0	0
Level 2 | Forward Contracts and swaps
Fair Value Disclosures [Line Items]
Foreign currency forward contracts, Financial Assets	86	1,010
Foreign currency forward contracts, Financial Liabilities	(4,589)	(5,112)
Level 2 | Interest Rate Swap
Fair Value Disclosures [Line Items]
Foreign currency forward contracts, Financial Assets				3
Foreign currency forward contracts, Financial Liabilities	(27)	(103)
Level 3 | Forward Contracts and swaps
Fair Value Disclosures [Line Items]
Foreign currency forward contracts, Financial Assets	0	0
Foreign currency forward contracts, Financial Liabilities	0	0
Level 3 | Interest Rate Swap
Fair Value Disclosures [Line Items]
Foreign currency forward contracts, Financial Assets				$ 0
Foreign currency forward contracts, Financial Liabilities	$ 0	$ 0