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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS (Parenthetical) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jun. 29, 2018
Jun. 30, 2017
Jun. 29, 2018
Jun. 30, 2017
Statement of Comprehensive Income [Abstract]        
Tax on interest rate swap contracts $ 0.3 $ 0.2 $ 1.5 $ 0.2