v3.5.0.2
Debt (Additional Information) (Details) - USD ($)
3 Months Ended 12 Months Ended
Jul. 17, 2015
Jul. 08, 2014
Jul. 03, 2016
Jun. 28, 2015
Mar. 31, 2015
Mar. 31, 2016
Apr. 23, 2015
Debt Instrument [Line Items]              
Payment of principal and accreted interest on Convertible Notes $ 172,388,000     $ 86,000      
Number of shares issued from conversion 1,889,431            
Short-term debt     $ 12,792,000     $ 22,144,000  
Short-term Debt, Weighted Average Interest Rate     11.00%     8.00%  
Company Owned Capital Stock Percentage Securing Senior Secured Credit Facility         65.00%    
Payments of Financing Costs       4,800,000      
Amortization of Other Deferred Charges     $ 347,000 $ 433,000      
Deferred Finance Costs, Net     5,932,000     $ 6,279,000  
Senior Unsecured Five Point Zero Percentage Convertible Notes Due Two Thousand And Twenty Eight [Member]              
Debt Instrument [Line Items]              
Long-term debt     $ 300,000,000     $ 300,000,000 $ 300,000,000
Debt Instrument Interest Rate     5.00%     5.00%  
Convertible Notes Payable              
Debt Instrument [Line Items]              
Available lines of credit     $ 478,253,000     $ 472,187,000  
Outstanding amount     155,178,000     144,112,000  
Stand by letters of credit     2,744,000     2,693,000  
Incremental Commitment Agreement | Secured Debt | 2011 Credit Facility due 2018              
Debt Instrument [Line Items]              
Line of Credit Facility, Incremental Term Loan Commitment     313,750,000     312,500,000  
Incremental Commitment Agreement | Revolving Commitments and/or Term Loans              
Debt Instrument [Line Items]              
Line of Credit Facility, Increase in Borrowing Capacity Limit   $ 300,000,000          
Incremental Commitment Agreement | Line of Credit | Revolving Credit Facility              
Debt Instrument [Line Items]              
Line of Credit Facility, Maximum Borrowing Capacity   500,000,000          
Incremental Commitment Agreement | Secured Debt              
Debt Instrument [Line Items]              
Long-term debt     175,000        
Incremental Commitment Agreement | Secured Debt | Secured Debt              
Debt Instrument [Line Items]              
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months           $ 15,000  
Line of Credit Facility, Maximum Borrowing Capacity   $ 150,000,000          
Incremental Commitment Agreement | Secured Debt | Secured Debt | 2011 Credit Facility due 2018              
Debt Instrument [Line Items]              
Line of Credit Facility, Incremental Term Loan Commitment     $ 138,750        
LIBOR | Incremental Commitment Agreement | Revolving Commitments and/or Term Loans | Minimum              
Debt Instrument [Line Items]              
Debt Instrument, Basis Spread on Variable Rate   1.25%          
LIBOR | Incremental Commitment Agreement | Revolving Commitments and/or Term Loans | Maximum              
Debt Instrument [Line Items]              
Debt Instrument, Basis Spread on Variable Rate   1.75%          
Base Rate | Incremental Commitment Agreement | Revolving Commitments and/or Term Loans | Minimum              
Debt Instrument [Line Items]              
Debt Instrument, Basis Spread on Variable Rate   0.25%          
Base Rate | Incremental Commitment Agreement | Revolving Commitments and/or Term Loans | Maximum              
Debt Instrument [Line Items]              
Debt Instrument, Basis Spread on Variable Rate   0.75%          
Debt Instrument Quarterly Installments Beginning June 30, 2014 through June 30, 2016 [Member]              
Debt Instrument [Line Items]              
Debt Instrument, Periodic Payment   $ 1,875,000          
Debt Instrument Quarterly Installments Beginning June 30, 2016 through September 30, 2018 [Member]              
Debt Instrument [Line Items]              
Debt Instrument, Periodic Payment   3,750,000          
Debt Instrument Final Installments Payable on September 30, 2018 [Member]              
Debt Instrument [Line Items]              
Debt Instrument, Periodic Payment   $ 108,750,000