XML 50 R38.htm IDEA: XBRL DOCUMENT v3.7.0.1
Commitments and Contingencies - Other (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Other commitments          
Deferred compensation plan liability $ 0.2   $ 0.2   $ 0.0
Deferred compensation plan assets 0.2   0.2   $ 0.0
Agreement with the Regents          
Other commitments          
Minimum required annual payment of the commitment obligation, based on net sales of current and future products 0.5   0.5    
Cost of sales | Agreement with the Regents          
Other commitments          
Commitment obligation payments $ 1.0 $ 0.7 $ 1.9 $ 1.3