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Subsequent Events	3 Months Ended
Subsequent Events	Mar. 31, 2016
Subsequent Events [Abstract]
Subsequent Events	15. Subsequent Events In April 2016, we completed the sale of substantially all of the assets relating to our Cracked business for total consideration of $39.0 million, of which $35.1 million was received in cash and $3.9 million was placed into escrow.