Goodwill And Other Intangible Assets (Schedule Of Components Of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 30, 2014	Dec. 29, 2013		Dec. 30, 2012
Goodwill [Line Items]
Gross Amount	$ 431,512	$ 432,451
Accumulated Impairment Losses	245,619	246,587
Goodwill, Net	185,893	185,864	[1]	182,741
Merchandise Availability Solutions [Member]
Goodwill [Line Items]
Gross Amount	206,489	207,589
Accumulated Impairment Losses	47,285	48,432
Goodwill, Net	159,204	159,157		159,031
Apparel Labeling Solutions [Member]
Goodwill [Line Items]
Gross Amount	86,566	86,764
Accumulated Impairment Losses	84,450	84,648
Goodwill, Net	2,116	2,116		0
Retail Merchandising Solutions [Member]
Goodwill [Line Items]
Gross Amount	138,457	138,098
Accumulated Impairment Losses	113,884	113,507
Goodwill, Net	$ 24,573	$ 24,591		$ 23,710

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