Commitments and Contingencies (Detail 3) (KME's, 2014 Profit Sharing Plan)	9 Months Ended
	Sep. 30, 2014
KME's | 2014 Profit Sharing Plan
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits
Minimum period of service from the first deferral required for receipt of obligations	3 years
Percentage of profit sharing plan award deferred into Deferred Compensation Plan	50.00%