Derivatives Additional Information (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 12 Months Ended | |||
---|---|---|---|---|---|---|
Mar. 31, 2018 |
Apr. 01, 2017 |
Mar. 31, 2018 |
Apr. 01, 2017 |
Sep. 30, 2017 |
Sep. 26, 2015 |
|
Derivative Instruments and Hedging Activities Disclosure [Abstract] | ||||||
Interest Rate Cap Agreements Aggregate Premium Payable | $ 1.9 | $ 13.2 | ||||
Borrowed principal | $ 1,000.0 | $ 1,000.0 | ||||
Loss reclassified from accumulated other comprehensive loss to the statement of income | (0.3) | $ (1.2) | (2.6) | $ (3.3) | ||
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred | 1.6 | |||||
Interest Rate Cash Flow Hedge Asset at Fair Value | $ 4.8 | |||||
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments | 2.1 | 1.8 | 2.3 | 3.0 | ||
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax | 1.7 | $ 3.9 | 0.2 | $ 4.5 | ||
Notional Amount | $ 106.1 | $ 106.1 |