Income Taxes (Schedule Of Reconciliation Of Unrecognized Tax Benefit) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 30, 2016 |
Jan. 01, 2016 |
Jan. 02, 2015 |
|
| Income Tax Disclosure [Abstract] | |||
| Unrecognized tax Benefits, Beginning Balance | $ 59.0 | $ 51.4 | $ 44.1 |
| Increase related to prior years' tax positions | 7.5 | 6.0 | 0.8 |
| Increase related to current year tax positions | 9.9 | 6.2 | 7.5 |
| Lapse of statute of limitations | (1.4) | (1.5) | (1.0) |
| Settlement with taxing authorities | (2.1) | (3.1) | 0.0 |
| Unrecognized tax Benefits, Ending Balance | $ 72.9 | $ 59.0 | $ 51.4 |