Schedule II Valuation and Qualifying Accounts (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 27, 2014	Dec. 28, 2013	Dec. 29, 2012
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	$ 543	$ 288	$ 463
Additions Not Charged to Expense	(5)	354	1
Additions (Reductions) Charged (Credited) to Expense	(228)	134	(82)
Deductions/Write-offs	27	233	94
Balance at End of Year	283	543	288
Reserve for Excess and Obsolete Inventories [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	37,795	27,155	24,552
Additions Not Charged to Expense	(821)	7,422	610
Additions (Reductions) Charged (Credited) to Expense	3,876	7,760	8,621
Deductions/Write-offs	11,005	4,542	6,628
Balance at End of Year	$ 29,845	$ 37,795	$ 27,155

Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 09

-Article 12

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