Business Acquisitions and Investments (Details 1) (Modular [Member], USD $)
In Thousands, unless otherwise specified
 0 Months Ended 3 Months Ended 6 Months Ended
May 08, 2013
May 09, 2012
Jun. 01, 2013
Jun. 02, 2012
Jun. 01, 2013
Jun. 02, 2012
Modular [Member]
            
Business Acquisition [Line Items]            
Business Acquisition, Effective Date of Acquisition   May 09, 2012        
Business Acquisition, Percentage of Voting Interests Acquired   100.00%        
Business Acquisition, Name of Acquired Entity   Modular Engineering Company Pty Ltd.        
Business Acquisition, Base Purchase Price Excluding Cash Acquired   $ 7,875        
Payments to Acquire Businesses, Gross 1,530 5,237        
Business Acquisition, Description of Acquired Entity   a manufacturer of pressure vessels, process and storage tanks and other natural gas filtration products and distributor of aftermarket elements        
Business Combination, Reason for Business Combination   acquisition of Modular gave the Company first-fit manufacturing capabilities in Western Australia, as well as a platform for aftermarket growth throughout the region        
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets   2,552        
Business Acquisition, Purchase Price Allocation, Goodwill Amount   5,339        
Net Sales since acquisition date     2,911 572 3,627 572
Operating Profit (Loss) since acquisition date     $ (256) $ 32 $ (967) $ 32