Derivative Financial Instruments (Narrative) (Details) - USD ($) $ in Millions |
12 Months Ended | |
---|---|---|
Dec. 30, 2017 |
Dec. 31, 2016 |
|
Derivative [Line Items] | ||
Derivative losses on closed hedge instruments in AOCI that will be realized in earnings when the hedged items impact earnings | $ (2.0) | $ (7.5) |
AOCI balance related to hedging activities | 8.6 | |
Net current deferred gains (losses) expected to be realized | $ 11.0 | |
Receive-Variable/Pay-Fixed Interest Rate Swap | ||
Derivative [Line Items] | ||
Notional amount of derivative | $ 100.0 |