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Acquisitions - Schedule of Pro Forma Financial Information (Details) - G&K Services
$ / shares in Units, $ in Thousands
3 Months Ended
Aug. 31, 2016
USD ($)
$ / shares
Business Acquisition [Line Items]  
Net sales $ 1,511,378
Net income $ 146,413
Earnings per common share - diluted (in dollars per share) | $ / shares $ 1.34