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The period following voluntary termination of employment during which a plan participant may exercise vested awards before they are cancelled.

No definition available.

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The number of shares of common stock into which each award is convertible.

No definition available.

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Data Type:	xbrli:sharesItemType
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Period Type:	instant

The period after the date of grant when the vesting of an award may be modified for retirement, death, disability, or involuntary termination without cause.

No definition available.

Name:	dlx_Periodsaftergrantwhenvestingofawardmaybemodified
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Data Type:	xbrli:durationItemType
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Period Type:	duration

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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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.

No definition available.

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Data Type:	xbrli:stringItemType
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Period Type:	duration

Percentage of vesting of award under share-based payment arrangement.

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Data Type:	dtr-types:percentItemType
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Period Type:	duration

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Data Type:	xbrli:durationItemType
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Period Type:	duration

Name:	us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
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Balance Type:
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Data Type:	na
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Namespace Prefix:
Data Type:	na
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Name:	srt_TitleOfIndividualAxis=srt_ManagementMember
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Data Type:	na
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Data Type:	na
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