Fair Value Measurement, Financial Instruments And Risk Management (Narrative) (Details) (USD $)	1 Months Ended	12 Months Ended			3 Months Ended
	Dec. 28, 2014	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012	Dec. 29, 2013
Fair Value Disclosures [Line Items]
Trade names	$ 20,512,000	$ 20,512,000	$ 21,376,000		$ 21,376,000
Intangible asset impairment	900,000
Restructuring-related asset impairment		172,000	1,211,000	6,506,000
Long-lived assets	77,389,000	77,389,000	76,334,000		76,334,000
Derivative Asset	55,000	55,000	0		0
Liabilities	23,000	23,000	18,000		18,000
Unrealized gain recorded in other comprehensive income, net of tax		0	(21,000)	(1,521,000)
Aggregate foreign currency transaction losses		1,000,000	4,100,000	1,700,000
Foreign currency forward exchange contracts
Fair Value Disclosures [Line Items]
Notional amount of derivatives not designated as hedging instruments	3,600,000	3,600,000
Derivative Asset	55,000	55,000	0		0
Liabilities	23,000	23,000	18,000		18,000
Foreign currency revenue forecast contracts
Fair Value Disclosures [Line Items]
Unrealized gain recorded in other comprehensive income, net of tax		0
Expense related to foreign currency hedges recorded in cost of goods sold		0
Hedge ineffectiveness		0
Global Restructuring Plan
Fair Value Disclosures [Line Items]
Restructuring-related asset impairment		200,000
Long-lived assets	200,000	200,000
Property, plant, and equipment, fair value disclosure	0	0
OAT
Fair Value Disclosures [Line Items]
Trade names	1,100,000	1,100,000
Enterprise Resource Planning System
Fair Value Disclosures [Line Items]
Carrying amount, asset			4,700,000		4,700,000
Internal-use software impairment					$ 4,700,000