XML 15 R4.htm IDEA: XBRL DOCUMENT v3.8.0.1
Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2018
Apr. 01, 2017
Mar. 31, 2018
Apr. 01, 2017
Statement of Comprehensive Income [Abstract]        
Changes in unrealized holding gains and losses on available-for-sale securities. tax $ 0.0 $ 0.1 $ 0.2 $ 0.2
Changes in pension plans, tax 0.0 0.0 0.6 0.0
Changes in value of hedged interest rate caps, tax $ 0.3 $ 0.3 $ (4.6) $ 0.7