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Inventories (Detail) (USD $) In Thousands | Jul. 02, 2011 | Jan. 01, 2011
--- | --- | ---
Schedule of Inventory [Line Items] |  |
Raw materials and parts | $ 69,137 | $ 60,452
Work-in-process | 13,262 | 12,292
Finished goods | 39,428 | 33,432
Inventory, Gross, Total | 121,827 | 106,176
LIFO reserve | 287 | 287
Inventories, net | $ 122,114 | $ 106,463

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