Significant Accounting Policies and New Accounting Pronouncements - Additional Information (Detail) - USD ($) $ in Millions |
Jan. 03, 2016 |
Sep. 27, 2015 |
---|---|---|
Accounting Policies [Abstract] | ||
Reclassification of debt issuance costs from other assets to long-term debt | $ 3.1 | $ 0.4 |
Reclassification of debt issuance costs from prepaid expenses and other current assets to long-term debt | $ 1.1 | $ 1.0 |