Lines of Credit - Narrative (Detail)
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9 Months Ended |
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Jan. 29, 2017
USD ($)
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May 15, 2018
USD ($)
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Feb. 01, 2018
USD ($)
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Nov. 01, 2017
USD ($)
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Aug. 01, 2017
USD ($)
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Jan. 29, 2017
CNY (¥)
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Aug. 03, 2016
USD ($)
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Aug. 01, 2016
USD ($)
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May 01, 2016
USD ($)
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Jan. 31, 2016
USD ($)
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| United States [Member] | Revolving Credit Facility [Member] |
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| Line of Credit Facility [Line Items] |
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| Maximum borrowing capacity |
$ 30,000,000
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| Interest rate description |
Interest was charged at a rate as a variable spread over LIBOR based on our ratio of debt to EBITDA.
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| Applicable interest rate at end of period |
2.23%
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2.23%
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| Expiration date |
Aug. 15, 2018
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| Reference rate on which the interest rate is based |
LIBOR
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| Percentage of common stock in subsidiary pledge as collateral |
65.00%
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| Outstanding amount |
$ 0
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$ 0
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$ 0
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| Letters of credit, outstanding amount |
250,000
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250,000
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250,000
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| China [Member] | Revolving credit agreement [Member] |
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| Line of Credit Facility [Line Items] |
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| Maximum borrowing capacity |
$ 5,800,000
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¥ 40,000,000
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| Interest rate description |
This agreement has an interest rate determined by the Chinese government
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| Expiration date |
Feb. 15, 2018
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| Outstanding amount |
$ 0
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¥ 0
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$ 0
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$ 0
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| Third Amendment to Credit Agreement [Member] | United States [Member] |
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| Line of Credit Facility [Line Items] |
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| Maximum amount of letters of credit |
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$ 7,500,000
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| Letters of credit outstanding, additional amount |
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$ 5,000,000
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| Third Amendment to Credit Agreement [Member] | United States [Member] | Scenario, Forecast [Member] |
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| Line of Credit Facility [Line Items] |
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| Amount of the required periodic reduction applied to principal |
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$ 1,250,000
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$ 1,250,000
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$ 1,250,000
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$ 1,250,000
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