XML 47 R36.htm IDEA: XBRL DOCUMENT v3.7.0.1
Change in Fair Value of Contingent Consideration as Determined by Level 3 Inputs (Detail) - Contingent Consideration - ECP Entwicklungsgesellschaft mbH - Level 3 - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Level 3 liabilities, beginning balance $ 9,153 $ 7,563
Additions 0 0
Payments 0 0
Change in fair value 265 176
Level 3 liabilities, ending balance $ 9,418 $ 7,739