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CONTINGENT LIABILITIES AND OTHER MATTERS (Details 3) (Consortium arrangements, Thermal Equipment and Services reportable segment, USD $)
In Millions, unless otherwise specified
 6 Months Ended 12 Months Ended
Jun. 28, 2014
Dec. 31, 2013
Consortium arrangements | Thermal Equipment and Services reportable segment
    
Collaborative Arrangements    
Entity's share of the aggregate contract value on open consortium arrangements $ 139.4 $ 139.3
Percentage of entity's share of the aggregate contract value, recognized as revenue 90.00% 87.00%
Aggregate contract value on open consortium arrangements 436.5 433.8
Estimated fair value of potential obligation recorded as a liabilities $ 0.7 $ 1.7