Income Taxes - Summary of State NOL Carryforwards Expiration Year (Detail) (State, USD $) In Thousands, unless otherwise specified	Jan. 03, 2015
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 73,610
2015-2022
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	40,553
2023-2032
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 33,057