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Segment Information - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Mar. 31, 2017
Segment Reporting Information [Line Items]      
Long lived assets $ 85,135   $ 85,408
United States      
Segment Reporting Information [Line Items]      
Long lived assets 36,600   37,100
Switzerland      
Segment Reporting Information [Line Items]      
Long lived assets 2,000   2,100
China      
Segment Reporting Information [Line Items]      
Long lived assets $ 37,300   $ 37,200
Geographic Concentration | Consolidated net sales from continuing operations | Switzerland      
Segment Reporting Information [Line Items]      
Percentage of consolidated net sales 1.00% 2.00%