Summary of Significant Accounting Policies - Restated Statement of Cash Flows (Detail) - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Apr. 01, 2016 |
Apr. 03, 2015 |
|
| Quantifying Misstatement in Current Year Financial Statements [Line Items] | ||
| Net cash provided by operating activities | $ 35,098 | $ 1,432 |
| Net cash used in investing activities | $ (83,909) | (224,242) |
| Allocation [Member] | ||
| Quantifying Misstatement in Current Year Financial Statements [Line Items] | ||
| Net cash provided by operating activities | 16,018 | |
| Net cash used in investing activities | (238,828) | |
| Allocation Adjustments [Member] | ||
| Quantifying Misstatement in Current Year Financial Statements [Line Items] | ||
| Net cash provided by operating activities | (14,586) | |
| Net cash used in investing activities | $ 14,586 | |