XML 40 R27.htm IDEA: XBRL DOCUMENT v3.7.0.1
Share Based Payment Arrangements - Additional Information (Detail)
$ in Thousands
3 Months Ended
May 01, 2015
shares
Apr. 01, 2017
USD ($)
EquityPlan
shares
Mar. 26, 2016
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of employee equity incentive plans | EquityPlan   2  
Income tax benefit realized on disqualifying dispositions of stock acquired by exercise of incentive stock options | $   $ 221 $ 113
Accounting Standards Update 2016-09      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Excess tax benefit from stock-based awards | $   $ 563  
2013 Directors Stock Compensation Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock authorized for issuance | shares   115,000  
Common stock reserved for issuance | shares   86,572  
Restricted Stock Units (RSUs)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Discount rate on stock awards   7.00%  
Stock awards granted | shares   67,387  
Recognized share-based compensation expense | $   $ 524 640
Unrecognized compensation cost expected to be recognized over period, years   3 years 3 months 18 days  
Restricted Stock Units (RSUs) | May 2015 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Percentage of target available for common share issuance 100.00%    
Stock awards granted | shares 20,000    
Restricted Stock Units (RSUs) | January 2016 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Percentage of target available for common share issuance   100.00%  
Restricted Stock Units (RSUs) | Prior to 2017 Grants      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
RSU awards vesting period   5 years  
Restricted Stock Units (RSUs) | January 2015 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Percentage of target available for common share issuance   100.00%  
Restricted Stock Units (RSUs) | February 2017 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
RSU awards vesting period   5 years  
Percentage of target available for common share issuance   100.00%  
Employee Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total intrinsic value of stock options exercised during periods | $   $ 3,620 $ 409
Unrecognized compensation cost | $   $ 221  
Non-vested Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock awards granted | shares   25,564  
Unrecognized compensation cost, other than options | $   $ 2,735  
Unrecognized compensation cost expected to be recognized over period, years   3 years 4 months 24 days  
Terms of award   The Company's common stock on the date of grant. Shares of non-vested restricted stock are subject to vesting in three equal annual installments either on the first, second and third anniversary of the date of the grant or the third, fourth and fifth anniversary of the date of the grant, or 100% on the first anniversary of the date of the grant.  
Maximum | Restricted Stock Units (RSUs)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation cost, other than options | $   $ 34,100  
Maximum | Restricted Stock Units (RSUs) | May 2015 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Maximum percentage of target available for common share issuance 150.00%    
Maximum | Restricted Stock Units (RSUs) | January 2016 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Maximum percentage of target available for common share issuance   200.00%  
Maximum | Restricted Stock Units (RSUs) | January 2015 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Maximum percentage of target available for common share issuance   200.00%  
Maximum | Restricted Stock Units (RSUs) | Prior to 2015 grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Maximum percentage of target available for common share issuance   100.00%  
Maximum | Restricted Stock Units (RSUs) | February 2017 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Maximum percentage of target available for common share issuance   200.00%  
2011 Equity Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock authorized for issuance | shares   6,000,000  
Other Stock Compensation Plans      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock reserved for issuance | shares   4,781,030