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Acquisitions and Investments in Joint Ventures - Additional Information (Detail) $ in Thousands | Dec. 30, 2014 USD ($) JointVenture | Jun. 27, 2015 USD ($) | Sep. 27, 2014 USD ($) | Jun. 28, 2014 USD ($) | Apr. 01, 2014 USD ($)
--- | --- | --- | --- | --- | ---
Business Acquisition [Line Items] |  |  |  |  |
Excess of purchase price included in goodwill |  | $ 209,089 | $ 208,233 | $ 205,756 |
Investment in joint ventures | $ 16,000 |  |  |  |
Number of joint ventures | JointVenture | 2 |  |  |  |
Two newly formed entities [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Percentage of equity interest in joint venture | 50.00% |  |  |  |
Envincio, LLC [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Purchase of certain assets |  |  |  |  | $ 20,300
Excess of purchase price included in goodwill |  |  |  |  | $ 3,333

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