Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Jul. 31, 2022	Jan. 31, 2022	Jul. 31, 2021
Assets:
Total assets measured at fair value	$ 74,832	$ 77,739	$ 77,350
Liabilities:
Total liabilities measured at fair value	44,829	47,431	47,886
Level 1
Assets:
Total assets measured at fair value	45,789	48,446	49,153
Liabilities:
Total liabilities measured at fair value	44,566	47,261	47,886
Level 2
Assets:
Total assets measured at fair value	1,686	197	140
Liabilities:
Total liabilities measured at fair value	263	170	0
Level 3
Assets:
Total assets measured at fair value	27,357	29,096	28,057
Liabilities:
Total liabilities measured at fair value	0	0	0
Other Current Assets | Available-for-sale securities
Assets:
Total assets measured at fair value	230	249	218
Other Current Assets | Short-term investment
Assets:
Total assets measured at fair value	163	164	167
Other Current Assets | Hedge derivatives-Assets
Assets:
Total assets measured at fair value	1,686	197	140
Other Current Assets | Level 1 | Available-for-sale securities
Assets:
Total assets measured at fair value	230	249	218
Other Current Assets | Level 1 | Short-term investment
Assets:
Total assets measured at fair value	163	164	167
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	1,686	197	140
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	830	772	882
Other Non-current Assets | SERP assets - employee
Assets:
Total assets measured at fair value	44,566	47,261	47,886
Other Non-current Assets | Defined Benefit Plan Assets
Assets:
Total assets measured at fair value	27,357	29,096
Other Non-current Assets | Level 1 | SERP assets - employer
Assets:
Total assets measured at fair value	830	772	882
Other Non-current Assets | Level 1 | SERP assets - employee
Assets:
Total assets measured at fair value	44,566	47,261	47,886
Other Non-current Assets | Level 1 | Defined Benefit Plan Assets
Assets:
Total assets measured at fair value		0
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 2 | Defined Benefit Plan Assets
Assets:
Total assets measured at fair value		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 Assets | Level 3 | Defined Benefit Plan Assets
Assets:
Total assets measured at fair value	27,357	29,096
Other non-current liabilities | SERP liabilities - employee
Liabilities:
Total liabilities measured at fair value	44,566	47,261	47,886
Other non-current liabilities | Defined Benefit Plan Assets
Assets:
Total assets measured at fair value			28,057
Other non-current liabilities | Level 1 | SERP liabilities - employee
Liabilities:
Total liabilities measured at fair value	44,566	47,261	47,886
Other non-current liabilities | Level 1 | Defined Benefit Plan Assets
Assets:
Total assets measured at fair value	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
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			$ 28,057
Accrued Liabilities | Hedge derivatives-Liabilities
Liabilities:
Total liabilities measured at fair value	263	170
Accrued Liabilities | Level 1 | Hedge derivatives-Liabilities
Liabilities:
Total liabilities measured at fair value	0	0
Accrued Liabilities | Level 2 | Hedge derivatives-Liabilities
Liabilities:
Total liabilities measured at fair value	263	170
Accrued Liabilities | Level 3 | Hedge derivatives-Liabilities
Liabilities:
Total liabilities measured at fair value	$ 0	$ 0