Fair Value Hierarchy of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Millions |
May 24, 2019 |
Feb. 22, 2019 |
May 25, 2018 |
Feb. 23, 2018 |
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Long-term Debt, Fair Value |
$ 511.0
|
$ 492.0
|
|
|
| Cash and cash equivalents |
152.7
|
261.3
|
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
|
|
| Restricted Cash |
4.9
|
3.5
|
$ 3.4
|
$ 2.5
|
| Assets, Fair Value Disclosure |
164.3
|
272.6
|
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
|
|
| Foreign exchange forward contracts, Liability, Fair Value Disclosure |
(0.3)
|
(0.5)
|
|
|
| Liabilities, Fair Value Disclosure |
(0.3)
|
(0.5)
|
|
|
| Foreign Exchange Contract [Member] |
|
|
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
|
|
| Foreign Currency Contract, Asset, Fair Value Disclosure |
2.7
|
3.9
|
|
|
| Auction Rate Securities [Member] |
|
|
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
|
|
| Available-for-sale Securities, Fair Value Disclosure |
4.0
|
3.9
|
|
|
| Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Cash and cash equivalents |
|
261.3
|
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
|
|
| Restricted Cash |
|
3.5
|
|
|
| Assets, Fair Value Disclosure |
157.6
|
264.8
|
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
|
|
| Foreign exchange forward contracts, Liability, Fair Value Disclosure |
0.0
|
0.0
|
|
|
| Liabilities, Fair Value Disclosure |
0.0
|
0.0
|
|
|
| Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Foreign Exchange Contract [Member] |
|
|
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
|
|
| Foreign Currency Contract, Asset, Fair Value Disclosure |
0.0
|
0.0
|
|
|
| Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Auction Rate Securities [Member] |
|
|
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
|
|
| Available-for-sale Securities, Fair Value Disclosure |
0.0
|
0.0
|
|
|
| Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Cash and cash equivalents |
0.0
|
0.0
|
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
|
|
| Restricted Cash |
0.0
|
0.0
|
|
|
| Assets, Fair Value Disclosure |
2.7
|
3.9
|
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
|
|
| Foreign exchange forward contracts, Liability, Fair Value Disclosure |
(0.3)
|
(0.5)
|
|
|
| Liabilities, Fair Value Disclosure |
(0.3)
|
(0.5)
|
|
|
| Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Foreign Exchange Contract [Member] |
|
|
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
|
|
| Foreign Currency Contract, Asset, Fair Value Disclosure |
2.7
|
3.9
|
|
|
| Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Auction Rate Securities [Member] |
|
|
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
|
|
| Available-for-sale Securities, Fair Value Disclosure |
0.0
|
0.0
|
|
|
| Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
| Cash and cash equivalents |
0.0
|
0.0
|
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
|
|
| Restricted Cash |
0.0
|
0.0
|
|
|
| Assets, Fair Value Disclosure |
4.0
|
3.9
|
|
|
| Liabilities, Fair Value Disclosure [Abstract] |
|
|
|
|
| Foreign exchange forward contracts, Liability, Fair Value Disclosure |
0.0
|
0.0
|
|
|
| Liabilities, Fair Value Disclosure |
0.0
|
0.0
|
|
|
| Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Foreign Exchange Contract [Member] |
|
|
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
|
|
| Foreign Currency Contract, Asset, Fair Value Disclosure |
0.0
|
0.0
|
|
|
| Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Auction Rate Securities [Member] |
|
|
|
|
| Assets, Fair Value Disclosure [Abstract] |
|
|
|
|
| Available-for-sale Securities, Fair Value Disclosure |
$ 4.0
|
$ 3.9
|
|
|