Fair Value of Financial Instruments - Deferred Compensation Plan and Acquisition Related Contingent Consideration (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 28, 2014
|
Dec. 29, 2013
|
---|---|---|
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items] | ||
Acquisition related contingent consideration | $ 46,850 | $ 0 |
Level 1 [Member] | ||
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items] | ||
Deferred compensation plan assets | 18,580 | 17,098 |
Deferred compensation plan liabilities | 18,580 | 17,098 |
Level 2 [Member] | ||
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items] | ||
Deferred compensation plan assets | ||
Deferred compensation plan liabilities | ||
Acquisition related contingent consideration | ||
Level 3 [Member] | ||
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items] | ||
Acquisition related contingent consideration | $ 46,850 |