Employee service required for participation in the company's defined contribution plan.

No definition available.

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Namespace Prefix:	dlx_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 70
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480794/715-70-50-1

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

+ Details

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Balance Type:	na
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

- Details

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- Details

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- Details

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Namespace Prefix:
Data Type:	na
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- Details

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POSTRETIREMENT BENEFITS (401k Plan) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Employee compensation plans [Line Items]
401(k) contributions, maximum annual employee contribution, percent of wages	50.00%
401(k) expense	$ 11,282	$ 12,046	$ 12,958
Employee service requirement	30 days
401(k) plan, first 1% of wages contributed by employee [Member]
Employee compensation plans [Line Items]
Employer matching 401(k) contribution, percentage	100.00%
401(k) plan, next 5% of wages contributed by employee [Member]
Employee compensation plans [Line Items]
Employer matching 401(k) contribution, percentage	50.00%
401(k) plan, 100% employer match [Member]
Employee compensation plans [Line Items]
Employee 401(k) contribution receiving employer match, percent of wages	1.00%
401(k) plan, 50% employer match [Member]
Employee compensation plans [Line Items]
Employee 401(k) contribution receiving employer match, percent of wages	5.00%