Goodwill And Other Intangible Assets (Schedule Of Components Of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 29, 2015	Dec. 28, 2014	Dec. 29, 2013
Goodwill [Line Items]
Gross Amount	$ 371,544us-gaap_GoodwillGross	$ 400,837us-gaap_GoodwillGross
Accumulated Impairment Losses	207,517	227,268
Goodwill, Net	164,027us-gaap_Goodwill	173,569us-gaap_Goodwill	185,864us-gaap_Goodwill
Merchandise Availability Solutions
Goodwill [Line Items]
Gross Amount	176,091	192,303
Accumulated Impairment Losses	33,701	42,657
Goodwill, Net	142,390	149,646	159,157
Apparel Labeling Solutions
Goodwill [Line Items]
Gross Amount	83,291	84,407
Accumulated Impairment Losses	81,175	82,291
Goodwill, Net	2,116	2,116	2,116
Retail Merchandising Solutions
Goodwill [Line Items]
Gross Amount	112,162	124,127
Accumulated Impairment Losses	92,641	102,320
Goodwill, Net	$ 19,521	$ 21,807	$ 24,591

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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- Definition

Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a,h)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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