Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details)

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Commitments and Contingencies (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Mar. 31, 2014
Commitments and Contingencies Disclosure [Abstract]    
Totaled arrangements under letter of credit guarantees and performance bonds securing performance obligations $ 13,370  
Guarantee obligations secured by cash deposits 1,429  
Guarantee obligations represented by a reduction of the available amount of the company's short term and long term revolving lines of credit 11,941  
Cash deposits pledged as collateral on performance bonds and letters of credit 1,429 1,307
Indian Custom Bonds Outstanding 3,961  
Liability for Uncertain Tax Positions, Current $ 167