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Debt - Narrative (Details) - USD ($) |  |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jul. 08, 2021 | Oct. 09, 2020 | Mar. 21, 2017 | Feb. 28, 2022 | Feb. 28, 2021 | Jan. 21, 2011
Debt Instrument [Line Items] |  |  |  |  |  |
Total debt, gross |  |  |  | $ 227,000,000 | $ 179,000,000 |
Letters of credit outstanding |  |  |  | 22,000,000 |  |
Eurodollar [Member] | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Line of credit facility, interest rate | 0.875% |  |  |  |  |
Eurodollar [Member] | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Line of credit facility, interest rate | 1.75% |  |  |  |  |
Base Rate [Member] | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Line of credit facility, interest rate | 0.00% |  |  |  |  |
Base Rate [Member] | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Line of credit facility, interest rate | 0.75% |  |  |  |  |
Senior Notes | Line of Credit |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Accordion feature |  |  | $ 75,000,000 |  |  |
Letters of credit outstanding |  |  |  | 9,700,000 |  |
Remaining borrowing capacity on line of credit |  |  |  | 313,300,000 |  |
Senior Notes | Unsecured Senior Notes Due January 2021 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Total debt, gross |  |  |  |  |  | $ 125,000,000
Debt instrument, stated percentage |  |  |  |  |  | 5.42%
Senior Notes | 2020 Senior Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Total debt, gross |  |  |  | $ 150,000,000 | 150,000,000 |
Debt instrument, face amount |  | $ 150,000,000 |  |  |  |
Senior Notes | Two Point Seventy Seven Coupon, Seven Year Senior Unsecured Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument term |  | 7 years |  |  |  |
Debt instrument, face amount |  | $ 70,000,000 |  |  |  |
Debt instrument, stated percentage |  | 2.77% |  |  |  |
Senior Notes | Three Point Seventeen Percent Coupon, Twelve Year Senior Unsecured Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument term |  | 12 years |  |  |  |
Debt instrument, face amount |  | $ 80,000,000 |  |  |  |
Debt instrument, stated percentage |  | 3.17% |  |  |  |
Bank Of America And Other Lenders [Member] | Line of Credit |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Covenant, maximum capital lease obligations |  |  | 20,000,000 |  |  |
Covenant, maximum investments in foreign subsidiaries |  |  | 50,000,000 |  |  |
Revolving Credit Facility | 2021 Credit Agreement |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maximum borrowing capacity | $ 400,000,000 |  |  |  |  |
Accordion feature | 200,000,000 |  |  |  |  |
Debt instrument, interest rate, effective percentage |  |  |  | 2.49% |  |
Revolving Credit Facility | Line of Credit |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Total debt, gross |  |  |  | $ 77,000,000 | $ 29,000,000 |
Revolving Credit Facility | Bank Of America And Other Lenders [Member] | Line of Credit |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maximum borrowing capacity |  |  | 450,000,000 |  |  |
Accordion feature |  |  | $ 150,000,000 |  |  |
Revolving Credit Facility | Bank Of America And Other Lenders [Member] | Line of Credit | Eurodollar [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread |  |  |  | 1.00% |  |
Revolving Credit Facility | Bank Of America And Other Lenders [Member] | Line of Credit | Eurodollar [Member] | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread |  |  | 0.875% |  |  |
Commitment fees |  |  |  | 0.175% |  |
Revolving Credit Facility | Bank Of America And Other Lenders [Member] | Line of Credit | Eurodollar [Member] | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread |  |  | 1.875% |  |  |
Commitment fees |  |  |  | 0.30% |  |
Revolving Credit Facility | Bank Of America And Other Lenders [Member] | Line of Credit | Base Rate [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread |  |  |  | 0.50% |  |
Standby Letters of Credit | Bank Of America And Other Lenders [Member] | Line of Credit |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Accordion feature |  |  | $ 30,000,000 |  |  |
Standby And Commercial Letters Of Credit | 2021 Credit Agreement |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Accordion feature | 85,000,000 |  |  |  |  |
Swing Line Loan | 2021 Credit Agreement |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Accordion feature | $ 50,000,000 |  |  |  |  |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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