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Special Dividend - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 09, 2017
Apr. 01, 2017
Equity [Abstract]    
Cash dividend (in dollars per share) $ 3.00  
Cash dividend, subordinated debentures (in dollars per share) $ 5.00  
Interest rate of subordinated debentures 6.00%  
Decrease in stockholders' equity   $ 458.7
Increase in long-term debt   284.5
Decrease in cash   $ 174.2