Acquisitions (Schedule Of Assets And Liabilities Assumed At Fair Values On Acquisition) (Detail) (USD $) In Thousands, unless otherwise specified	Jul. 22, 2011
Business Acquisition [Line Items]
Cash and cash equivalents	$ 1,465
Accounts receivable	4,434
Inventories	1,062
Other current assets	42
Current assets	7,003
Property, plant and equipment	273
Goodwill	79,757
Intangibles	20,600
Other noncurrent assets	1,091
Total assets	108,724
Accounts payable	5,187
Accrued liabilities	206
Total current liabilities	5,393
Other noncurrent liabilities	1,125
Total liabilities	6,518
Net assets	$ 102,206