Investments (Details) - USD ($) $ in Thousands	6 Months Ended
Aug. 03, 2019	Aug. 04, 2018
Investments
Short-term investments	$ 150,000	$ 149,000
Contributions to equity method investments	33,339
Investment tax credits	$ 17,370

A credit or adjustment for government or taxing authority authorized decrease in taxes owed as a result of meeting certain tax policy conditions.

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

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