XML 53 R41.htm IDEA: XBRL DOCUMENT v3.7.0.1
Business and Basis of Presentation (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Ownership percentage, subsidiaries 100.00%  
Warehousing, shipping and handling, and storage costs $ 13.5 $ 10.5