Quarterly report pursuant to Section 13 or 15(d)

LONG-TERM DEBT (Details)

v2.4.0.8
LONG-TERM DEBT (Details) (USD $)
In Millions, unless otherwise specified
1 Months Ended 1 Months Ended
Apr. 24, 2014
Wells Fargo Credit Agreement [Member]
Apr. 24, 2014
Revolving Credit Facility [Member]
Wells Fargo Credit Agreement [Member]
Jun. 30, 2014
Letter Of Credit [Member]
Wells Fargo Credit Agreement [Member]
Apr. 24, 2014
3.50% Convertible Subordinated Debt [Member]
Debt Instrument [Line Items]        
Principal amount outstanding       $ 133.7
Debt due date       Nov. 15, 2015
Interest per annum on the principal amount       3.50%
Line of Credit Facility, maximum borrowing amount   75    
Line of Credit Facility, credit agreement maturity date Mar. 29, 2017      
Line of Credit Facility, frequency of commitment fee payment   Quarterly    
Line of Credit Facility, percent commitment fee on undrawn amounts   0.375%    
Line of Credit Facility, letters of credit outstanding     1  
Line of Credit Facility, amount of liquidity to be below for covenant to be applicable 25      
Line of Credit Facility, Fixed Charge Coverage Ratio, ratio to apply repayment covenant 1.5      
Line of Credit Facility, Fixed Charge Coverage Ratio, ratio when covenant is applicable 1.2      
Line of Credit Facility, amount of liquidity required to avoid audits 20      
Amount of borrowings, if exceeded, increase the filing of compliance certificates to monthly rather than quarterly $ 5