Carrying Amount of Finite-Lived Intangible Assets (Detail) - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets
Gross Carrying Amount	$ 221,263	$ 195,438
Accumulated Amortization	174,727	136,826
Capitalized software costs
Finite-Lived Intangible Assets
Gross Carrying Amount	111,617	103,362
Accumulated Amortization	94,697	77,941
Website development costs
Finite-Lived Intangible Assets
Gross Carrying Amount	90,096	72,778
Accumulated Amortization	61,125	40,543
Trademarks
Finite-Lived Intangible Assets
Gross Carrying Amount	11,231	11,092
Accumulated Amortization	10,833	10,647
Other
Finite-Lived Intangible Assets
Gross Carrying Amount	3,793	3,655
Accumulated Amortization	3,546	3,144
Trademarks and other intangible assets
Finite-Lived Intangible Assets
Gross Carrying Amount	216,737	190,887
Accumulated Amortization	170,201	132,275
Franchise Rights
Finite-Lived Intangible Assets
Gross Carrying Amount	4,526	4,551
Accumulated Amortization	$ 4,526	$ 4,551

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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- 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.

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