Employee Benefit Plan (Details) $ in Millions	3 Months Ended
Apr. 30, 2022 USD ($) hour	May 01, 2021 USD ($)
Retirement Benefits [Abstract]
Defined Contribution Plan, Tax Status [Extensible Enumeration]	Qualified Plan [Member]
Required number of hours \| hour	200
Age requirement	21 years
Percentage of maximum employee contribution	80.00%
Employer matching contribution, percent of match	50.00%
Employer matching contribution, percent of participants' eligible contribution	4.00%
Contributions \| $	$ 0.2	$ 0.2

Defined Contribution Plan, Minimum Age Requirement

No definition available.

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Namespace Prefix:	thi_
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Balance Type:	na
Period Type:	duration

- Definition

Defined Contribution Plan, Minimum Number Of Hours

+ References

No definition available.

+ Details

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Namespace Prefix:	thi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage employer matches of the employee's percentage contribution matched.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Indicates tax status of defined contribution plan designed to provide retirement benefits.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	duration