XML 79 R67.htm IDEA: XBRL DOCUMENT v3.8.0.1
Equity (Details 1) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended 9 Months Ended
Oct. 01, 2016
Jul. 02, 2016
Oct. 01, 2016
Dec. 30, 2017
Dec. 31, 2016
Equity, Class of Treasury Stock [Line Items]          
Repurchases of common stock, including shares surrendered for tax withholdings       $ 15.9 $ 115.0
Stock Repurchase Program, Remaining Available Amount       $ 100.0  
Accelerated Share Repurchase Program [Member]          
Equity, Class of Treasury Stock [Line Items]          
Accelerated Share Repurchase Program - Initial Payment   $ 100.0      
Repurchases of common stock, shares 0.1 0.9      
Shares received in initial delivery, percentage of total shares expected to be delivered under ASR   90.00%      
Repurchases of common stock, including shares surrendered for tax withholdings $ 10.0 $ 90.0      
Treasury Stock Acquired, Average Cost Per Share     $ 98.48    
General repurchase program [Member]          
Equity, Class of Treasury Stock [Line Items]          
Repurchases of common stock, shares       0.0 1.0
Repurchases of common stock, including shares surrendered for tax withholdings       $ 0.0 $ 100.0
Withholding in satisfaction of taxes on vested equity award [Member]          
Equity, Class of Treasury Stock [Line Items]          
Repurchases of common stock, shares       0.2 0.2
Repurchases of common stock, including shares surrendered for tax withholdings       $ 15.9 $ 15.0