Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Solar Tariff Contingency (Details)

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Commitments and Contingencies - Solar Tariff Contingency (Details) (Unfavorable Regulatory Action [Member], USD $)
In Millions, unless otherwise specified
1 Months Ended
Oct. 31, 2012
Loss Contingencies [Line Items]  
Solar tariff, countervailing duty rate prior to increase 3.61%
Solar tariff, countervailing duty rate 15.24%
Enforcement retroactive period from date of preliminary determination 90 days
Estimated solar tariff duties $ 3.3
Maximum [Member]
 
Loss Contingencies [Line Items]  
Anti-dumping duty rate 249.96%