Acquisitions (Schedule Of Purchase Price Allocation) (Details) (USD $) In Thousands, unless otherwise specified	Oct. 24, 2011
Acquired Finite-Lived Intangible Assets [Line Items]
Accounts receivable	$ 14,321
Inventories	23,437
Property, plant & equipment	86,963
Other assets (current & noncurrent)	3,680
Trade payables	(17,471)
Other liabilities (current & noncurrent)	(12,216)
Deferred taxes	(38,167)
Total identifiable net assets	119,547
Total purchase price	182,761
Purchase price, net of cash received	182,761
Goodwill	63,214
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets	32,600
Proprietary Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets	14,700
Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Trade names	9,400
Noncompete Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets	$ 2,300