Accounts Receivable, Net (Detail) (USD $) In Thousands, unless otherwise specified	Apr. 04, 2014	Jan. 03, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for doubtful accounts	$ (2,753)	$ (2,771)
Total accounts receivable, net	84,946	76,980
Billed accounts receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	55,774	52,674
Unbilled accounts receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	$ 31,925	$ 27,077