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Subsequent Event (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Nov. 28, 2017
Nov. 01, 2017
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Subsequent Event [Line Items]            
Quarterly dividend declared, per common share (in dollars per share)     $ 0.125 $ 0.125 $ 0.375 $ 0.375
Heads & All Threads Ltd. (HAT)            
Subsequent Event [Line Items]            
Revenues         $ 35.0  
Scenario, Forecast            
Subsequent Event [Line Items]            
Quarterly dividend declared, cash outlay $ 1.6          
Subsequent Event            
Subsequent Event [Line Items]            
Quarterly dividend declared, per common share (in dollars per share)   $ 0.125