Debt - Additional Information (Details)
6 Months Ended 12 Months Ended
Apr. 19, 2016
USD ($)
Sep. 26, 2014
USD ($)
Jul. 01, 2016
USD ($)
letters_of_credit
Jun. 26, 2015
USD ($)
Jul. 01, 2017
USD ($)
Mar. 30, 2018
Mar. 31, 2017
Debt Instrument [Line Items]              
Distribution to subsidiary of Exelis   $ 136,300,000          
Amortization of debt issuance costs     $ 578,000 $ 370,000      
Document period end date     Jul. 01, 2016        
Maximum allowed dividend distribution     $ 10,000,000        
Term Loan              
Debt Instrument [Line Items]              
Face amount of term loan facility $ 140,000,000   105,000,000        
Debt instrument term 5 years            
Long-term debt issuance costs, net     3,700,000        
Term facility, amortization rate, year one 7.50%            
Term Facility, amortization rate, year two 10.00%            
Term facility, amortization rate, year three 10.00%            
Term facility, amortization rate, year four 15.00%            
Term facility, amortization rate, year five 57.50%            
Term Loan | Scenario, Forecast              
Debt Instrument [Line Items]              
Estimated repayment of debt         $ 6,000,000    
Revolver              
Debt Instrument [Line Items]              
Credit facility, maximum borrowing capacity $ 75,000,000            
Debt instrument term 5 years            
Available borrowing capacity     61,200,000        
Outstanding borrowings     0        
Letters of Credit              
Debt Instrument [Line Items]              
Credit facility, maximum borrowing capacity     $ 35,000,000        
Number of letters of credit outstanding | letters_of_credit     7        
Letters of credit outstanding     $ 13,800,000        
Swingline Facility              
Debt Instrument [Line Items]              
Credit facility, maximum borrowing capacity     $ 10,000,000        
Senior Secured Credit Facilities              
Debt Instrument [Line Items]              
Credit facility, maximum borrowing capacity $ 215,000,000            
Covenant terms, ratio of total indebtedness to consolidated EBITDA     3.25        
Covenant terms, ratio of consolidated EBITDA to combined interest expense     4.50        
Ratio of total indebtedness to consolidated EBITDA     2.01        
Ratio of combined EBITDA to consolidated interest expense     7.86        
Interest rate     3.22%        
Senior Secured Credit Facilities | Minimum              
Debt Instrument [Line Items]              
Undrawn portion of revolving facility, commitment fee percentage     0.40%        
Senior Secured Credit Facilities | Maximum              
Debt Instrument [Line Items]              
Undrawn portion of revolving facility, commitment fee percentage     0.50%        
Senior Secured Credit Facilities | Scenario, Forecast              
Debt Instrument [Line Items]              
Covenant terms, ratio of total indebtedness to consolidated EBITDA           2.75 3.00
Senior Secured Credit Facilities | London Interbank Offered Rate (LIBOR) | Minimum              
Debt Instrument [Line Items]              
Spread on variable rate     2.50%        
Senior Secured Credit Facilities | London Interbank Offered Rate (LIBOR) | Maximum              
Debt Instrument [Line Items]              
Spread on variable rate     3.00%