Fair Value Measurements - Assets at Fairvalue - (Details) - USD ($) | Oct. 31, 2020 | Feb. 01, 2020 |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Financial Assets At Fair Value | $ 144,515,000 | $ 212,955,000 |
Deferred Compensation | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Other Liabilities, Fair Value Disclosure | 10,428,000 | 10,391,000 |
Total Financial Liabilities At Fair Value | 10,428,000 | 10,391,000 |
Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Financial Assets At Fair Value | 1,515,000 | 832,000 |
Level 1 | Deferred Compensation | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Other Liabilities, Fair Value Disclosure | 0 | 0 |
Total Financial Liabilities At Fair Value | 0 | 0 |
Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Financial Assets At Fair Value | 132,462,000 | 201,606,000 |
Level 2 | Deferred Compensation | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Other Liabilities, Fair Value Disclosure | 0 | 0 |
Total Financial Liabilities At Fair Value | 0 | 0 |
Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Total Financial Assets At Fair Value | 10,538,000 | 10,517,000 |
Level 3 | Deferred Compensation | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Other Liabilities, Fair Value Disclosure | 10,428,000 | 10,391,000 |
Total Financial Liabilities At Fair Value | 10,428,000 | 10,391,000 |
State/Municipal Bonds | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | $ 29,034,000 | 36,014,000 |
State/Municipal Bonds | Maximum | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Debt Securities, Available-for-sale, Term | 5 years | |
State/Municipal Bonds | Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | $ 0 | 0 |
State/Municipal Bonds | Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | 29,034,000 | 36,014,000 |
State/Municipal Bonds | Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | 0 | 0 |
Corporate Bonds | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | 63,167,000 | 90,798,000 |
Corporate Bonds | Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | 0 | 0 |
Corporate Bonds | Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | 63,167,000 | 90,798,000 |
Corporate Bonds | Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | 0 | 0 |
US Treasury Notes | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | $ 20,265,000 | 37,410,000 |
US Treasury Notes | Maximum | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Debt Securities, Available-for-sale, Term | 3 years | |
US Treasury Notes | Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | $ 0 | 0 |
US Treasury Notes | Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | 20,265,000 | 37,410,000 |
US Treasury Notes | Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | 0 | 0 |
Corporate Equities | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | 1,515,000 | 732,000 |
Corporate Equities | Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | 1,515,000 | 732,000 |
Corporate Equities | Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | 0 | 0 |
Corporate Equities | Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | 0 | 0 |
Certificates of Deposit | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | 0 | 100,000 |
Certificates of Deposit | Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | 0 | 100,000 |
Certificates of Deposit | Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | 0 | 0 |
Certificates of Deposit | Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | 0 | 0 |
Asset Backed Securities (ABS) | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | 19,996,000 | 37,384,000 |
Asset Backed Securities (ABS) | Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | 0 | 0 |
Asset Backed Securities (ABS) | Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | 19,996,000 | 37,384,000 |
Asset Backed Securities (ABS) | Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Available for sale Securities | 0 | 0 |
Cash Surrender Value - Life Insurance | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Cash Surrender Value, Fair Value Disclosure | 10,538,000 | 10,517,000 |
Cash Surrender Value - Life Insurance | Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Cash Surrender Value, Fair Value Disclosure | 0 | 0 |
Cash Surrender Value - Life Insurance | Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Cash Surrender Value, Fair Value Disclosure | 0 | 0 |
Cash Surrender Value - Life Insurance | Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Cash Surrender Value, Fair Value Disclosure | $ 10,538,000 | $ 10,517,000 |