Quarterly report pursuant to Section 13 or 15(d)

Debt - Additional Information (Detail)

v3.7.0.1
Debt - Additional Information (Detail)
 3 Months Ended
Mar. 22, 2017
Dec. 05, 2016
USD ($)
Mar. 31, 2017
USD ($)
Mar. 23, 2015
USD ($)
Line of Credit Facility [Line Items]        
Actual leverage ratio     2.96  
First Amended Credit Agreement [Member]        
Line of Credit Facility [Line Items]        
Amendment to Credit Agreement, description     Amending the leverage ratio covenant to provide for the following schedule of maximum permitted ratios (a) 2.75 to 1.0 at any time on or after December 31, 2015 but prior to March 31, 2017, (b) 2.50 to 1.0 at any time on or after March 31, 2017 but prior to March 31, 2018 or (c) 2.25 to 1.00 at any time on or after March 31, 2018.  
Second Amended Credit Agreement [Member]        
Line of Credit Facility [Line Items]        
Amendment to Credit Agreement, description Amending the leverage ratio covenant to provide for the following schedule of maximum permitted ratios (a) 2.75 to 1.0 at any time on or after December 31, 2015 but prior to March 31, 2018, (b) 2.50 to 1.0 at any time on or after March 31, 2018 but prior to March 31, 2019 or (c) 2.25 to 1.00 at any time on or after March 31, 2019.      
JP Morgan Chase Bank [Member]        
Line of Credit Facility [Line Items]        
Credit facility, maturity date     Mar. 23, 2020  
Term Loan A [Member]        
Line of Credit Facility [Line Items]        
Current borrowings under credit facility       $ 27,000,000
Term Loan A [Member] | JP Morgan Chase Bank [Member]        
Line of Credit Facility [Line Items]        
Line of credit facility       27,000,000
Term Loan B [Member]        
Line of Credit Facility [Line Items]        
Current borrowings under credit facility       8,000,000
Term Loan B [Member] | JP Morgan Chase Bank [Member]        
Line of Credit Facility [Line Items]        
Line of credit facility       8,000,000
Revolving Credit Facility [Member]        
Line of Credit Facility [Line Items]        
Current borrowings under credit facility     $ 1,666,000  
Revolving Credit Facility [Member] | JP Morgan Chase Bank [Member]        
Line of Credit Facility [Line Items]        
Line of credit facility       $ 10,000,000
Term Loan [Member]        
Line of Credit Facility [Line Items]        
Frequency of period payment     Setting the quarterly mandatory principal payment due on the Term Loan to $1.3 million due on the last business day of each fiscal quarter with any remaining unpaid and outstanding amount due at maturity  
Term Loan [Member] | First Amended Credit Agreement [Member]        
Line of Credit Facility [Line Items]        
Current borrowings under credit facility   $ 32,000,000    
Additional available balance   5,000,000    
Debt instrument period payment, principal amount   $ 1,300,000    
Maximum [Member] | First Amended Credit Agreement [Member]        
Line of Credit Facility [Line Items]        
After amendment, maximum leverage covenant ratio at any time on or after December 31, 2015 but prior to March 31, 2017   2.75%    
After amendment, maximum leverage covenant ratio at any time on or after March 31, 2017 but prior to March 31, 2018   2.50%    
After amendment, maximum leverage covenant ratio at any time on or after March 31, 2018   2.25%    
Maximum [Member] | Second Amended Credit Agreement [Member]        
Line of Credit Facility [Line Items]        
After amendment, maximum leverage covenant ratio at any time on or after December 31, 2015 but prior to March 31, 2018 2.75%      
After amendment, maximum leverage covenant ratio at any time on or after March 31, 2018 but prior to March 31, 2019 2.50%      
After amendment, maximum leverage covenant ratio at any time on or after March 31, 2019 2.25%