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Restructuring - Additional Information (Detail) (USD $)
3 Months Ended 12 Months Ended 3 Months Ended 1 Months Ended
May 31, 2013
May 31, 2013
May 31, 2013
2013 Plan
May 31, 2013
Consumer Segment
2013 Plan
Facility
Position
May 31, 2013
Consumer Segment
2013 Plan
Employee Severance
May 31, 2013
Consumer Segment
2013 Plan
Facility Closing
May 31, 2013
Industrial Reportable Segment
2013 Plan
May 31, 2013
Industrial Reportable Segment
2013 Plan
Employee Severance
Position
Restructuring Cost and Reserve [Line Items]                
Restructuring charges $ 23,900,000 $ 20,072,000 $ 12,700,000 $ 15,600,000 $ 8,200,000 $ 7,400,000 $ 4,500,000  
Number of position eliminated       133        
Number of shutdown manufacturing facilities       2        
Inventory markdowns 3,900,000   3,900,000 3,900,000        
Expected number of positions to be eliminated               34
Building and equipment write-downs     $ 3,500,000