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SIGNIFICANT ACCOUNTING POLICIES (loans and notes receivable from distributors and advertising costs) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Advertising costs
Advertising expense	$ 32,673	$ 38,731	$ 47,461
Minimum [Member]
Loans and notes receivable [Line Items]
Interest rate, loans and notes receivable	6.00%
Maximum [Member]
Loans and notes receivable [Line Items]
Interest rate, loans and notes receivable	7.00%

X

- Definition

The stated interest rate on loans and notes receivable.

+ References

No definition available.

+ Details

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Namespace Prefix:	dlx_
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X

- 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

No definition available.

+ Details

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X

- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 720
-SubTopic 35
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483406/720-35-50-1

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

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Period Type:	duration

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- Details

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- Details

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