XML 18 R37.htm IDEA: XBRL DOCUMENT v2.4.0.8
Income Taxes - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Sep. 28, 2014
Sep. 29, 2013
Sep. 28, 2014
Sep. 29, 2013
Income Taxes [Line Items]        
Provision for income taxes $ 2,807 $ 2,234 $ 2,345 $ 2,982
Internal Revenue Service [Member] | Tax Year 2010 [Member]
       
Income Taxes [Line Items]        
Income tax examination, year under examination     2010  
Internal Revenue Service [Member] | Tax Year 2011 [Member]
       
Income Taxes [Line Items]        
Income tax examination, year under examination     2011  
Internal Revenue Service [Member] | Tax Year 2012 [Member]
       
Income Taxes [Line Items]        
Income tax examination, year under examination     2012