Related Parties	6 Months Ended
Jun. 30, 2016
Related Party Transactions [Abstract]
Related Parties	RELATED PARTIES The Company purchased Mitsubishi's 25% ownership interest in SCI, the Company's subsidiary, in the fourth quarter of 2015. The Company made PGM sales of $7.6 million to Mitsubishi in the three months ended June 30, 2015, and $23.5 million, for the six months ended June 30, 2015.

Related Parties

6 Months Ended

Jun. 30, 2016

Related Party Transactions [Abstract]

RELATED PARTIES

The Company purchased Mitsubishi's 25% ownership interest in SCI, the Company's subsidiary, in the fourth quarter of 2015. The Company made PGM sales of $7.6 million to Mitsubishi in the three months ended June 30, 2015, and $23.5 million, for the six months ended June 30, 2015.