Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Oct. 31, 2024	Jan. 31, 2024	Oct. 31, 2023
Assets:
Total assets measured at fair value	$ 90,930	$ 83,996	$ 76,200
Liabilities:
Total liabilities measured at fair value	53,946	48,811	46,189
Level 1
Assets:
Total assets measured at fair value	55,033	49,711	46,488
Liabilities:
Total liabilities measured at fair value	53,869	48,800	45,534
Level 2
Assets:
Total assets measured at fair value	373	554	0
Liabilities:
Total liabilities measured at fair value	77	11	655
Level 3
Assets:
Total assets measured at fair value	35,524	33,731	29,712
Liabilities:
Total liabilities measured at fair value	0	0	0
Other Current Assets | Available-for-sale securities
Assets:
Total assets measured at fair value	278	246	213
Other Current Assets | Short-term investment
Assets:
Total assets measured at fair value	149	155	150
Other Current Assets | Hedge derivatives-Assets
Assets:
Total assets measured at fair value	373	554	0
Other Current Assets | Level 1 | Available-for-sale securities
Assets:
Total assets measured at fair value	278	246	213
Other Current Assets | Level 1 | Short-term investment
Assets:
Total assets measured at fair value	149	155	150
Other Current Assets | Level 1 | Hedge derivatives-Assets
Assets:
Total assets measured at fair value	0	0	0
Other Current Assets | Level 2 | Available-for-sale securities
Assets:
Total assets measured at fair value	0	0	0
Other Current Assets | Level 2 | Short-term investment
Assets:
Total assets measured at fair value	0	0	0
Other Current Assets | Level 2 | Hedge derivatives-Assets
Assets:
Total assets measured at fair value	373	554	0
Other Current Assets | Level 3 | Available-for-sale securities
Assets:
Total assets measured at fair value	0	0	0
Other Current Assets | Level 3 | Short-term investment
Assets:
Total assets measured at fair value	0	0	0
Other Current Assets | Level 3 | Hedge derivatives-Assets
Assets:
Total assets measured at fair value	0	0	0
Other Non-current Assets | SERP assets - employer
Assets:
Total assets measured at fair value	737	510	591
Other Non-current Assets | SERP assets - employee
Assets:
Total assets measured at fair value	53,869	48,800	45,534
Other Non-current Assets | Level 1 | SERP assets - employer
Assets:
Total assets measured at fair value	737	510	591
Other Non-current Assets | Level 1 | SERP assets - employee
Assets:
Total assets measured at fair value	53,869	48,800	45,534
Other Non-current Assets | Level 2 | SERP assets - employer
Assets:
Total assets measured at fair value	0	0	0
Other Non-current Assets | Level 2 | SERP assets - employee
Assets:
Total assets measured at fair value	0	0	0
Other Non-current Assets | Level 3 | SERP assets - employer
Assets:
Total assets measured at fair value	0	0	0
Other Non-current Assets | Level 3 | SERP assets - employee
Assets:
Total assets measured at fair value	0	0	0
Other non-current liabilities | SERP liabilities - employee
Liabilities:
Total liabilities measured at fair value	53,869	48,800	45,534
Other non-current liabilities | Defined Benefit Plan Assets
Assets:
Total assets measured at fair value	35,524	33,731	29,712
Other non-current liabilities | Level 1 | SERP liabilities - employee
Liabilities:
Total liabilities measured at fair value	53,869	48,800	45,534
Other non-current liabilities | Level 1 | Defined Benefit Plan Assets
Assets:
Total assets measured at fair value	0	0	0
Other non-current liabilities | Level 2 | SERP liabilities - employee
Liabilities:
Total liabilities measured at fair value	0	0	0
Other non-current liabilities | Level 2 | Defined Benefit Plan Assets
Assets:
Total assets measured at fair value	0	0	0
Other non-current liabilities | Level 3 | SERP liabilities - employee
Liabilities:
Total liabilities measured at fair value	0	0	0
Other non-current liabilities | Level 3 | Defined Benefit Plan Assets
Assets:
Total assets measured at fair value	35,524	33,731	29,712
Accrued Liabilities | Hedge derivatives-Liabilities
Liabilities:
Total liabilities measured at fair value	77	11	655
Accrued Liabilities | Level 1 | Hedge derivatives-Liabilities
Liabilities:
Total liabilities measured at fair value	0	0	0
Accrued Liabilities | Level 2 | Hedge derivatives-Liabilities
Liabilities:
Total liabilities measured at fair value	77	11	655
Accrued Liabilities | Level 3 | Hedge derivatives-Liabilities
Liabilities:
Total liabilities measured at fair value	$ 0	$ 0	$ 0