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Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($)
3 Months Ended 12 Months Ended
Mar. 01, 2017
May 31, 2017
May 31, 2016
Feb. 28, 2017
Finite-Lived Intangible Assets [Line Items]        
Amortization of trade names, customer lists, and patent   $ 1,525,000 $ 1,159,000  
Goodwill acquired       $ 6,066,000
Selling, General and Administrative [Member]        
Finite-Lived Intangible Assets [Line Items]        
Amortization of trade names, customer lists, and patent $ 830,000      
Independent Printing Company, Inc. [Member]        
Finite-Lived Intangible Assets [Line Items]        
Goodwill acquired       $ 6,100,000
Minimum [Member]        
Finite-Lived Intangible Assets [Line Items]        
Remaining estimated useful life 17 years      
Maximum [Member]        
Finite-Lived Intangible Assets [Line Items]        
Remaining estimated useful life 19 years