XML 83 R66.htm IDEA: XBRL DOCUMENT v3.8.0.1
Summarized Financial Information for Joint Venture Unconsolidated (Detail) - Joint Venture [Member] - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Mar. 31, 2017
Related Party Transaction [Line Items]          
Revenues $ 54,000 $ 55,458 $ 111,818 $ 105,334  
Gross Margin 24,938 25,588 46,251 42,925  
Earnings Before Income Taxes 23,910 $ 24,294 43,662 $ 40,254  
Current Assets 68,955   68,955   $ 73,767
Non-Current Assets 66,473   66,473   42,337
Current Liabilities $ 32,718   $ 32,718   $ 22,293