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Stockholders' Equity (Details) - USD ($)
shares in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2018
Mar. 31, 2018
Apr. 01, 2017
Feb. 28, 2018
Sep. 30, 2016
Sep. 29, 2016
Class of Stock [Line Items]            
Authorized amount under stock repurchase program       $ 200,000,000 $ 150,000,000 $ 100,000,000
Increase in authorized amount       $ 50,000,000    
Payment for share repurchase $ 9,900,000 $ 40,800,000 $ 91,600,000      
Common stock            
Class of Stock [Line Items]            
Shares delivered and retired (in shares) 1.1          
Remaining authorization for future share repurchases $ 62,600,000 $ 62,600,000