Restructuring and Exit costs (Narrative) (Details) - Restructuring Plan ft² in Thousands, $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2015 USD ($) ft²	Mar. 31, 2016 USD ($)
Restructuring Cost and Reserve [Line Items]
Expected restructuring charge	$ 4,200
Amount of liability	2,222
Employee severance costs paid	118
Restructuring and exit costs
Restructuring Cost and Reserve [Line Items]
Total charges related to restructuring plan	2,340
Cost of goods sold
Restructuring Cost and Reserve [Line Items]
Accelerated equipment depreciation expense	185
Scenario, Forecast
Restructuring Cost and Reserve [Line Items]
Accelerated equipment depreciation expense		$ 740
Facility Closing
Restructuring Cost and Reserve [Line Items]
Expected restructuring charge	2,100
Amount of liability	$ 1,200
Square feet of manufacturing facility | ft²	60
Facility Closing | Other Current Liabilities
Restructuring Cost and Reserve [Line Items]
Amount of liability	$ 327
Employee Severance Costs
Restructuring Cost and Reserve [Line Items]
Expected restructuring charge	1,200
Amount of liability	1,014
Employee severance costs paid	118
Employee severance costs	1,100
Total charges related to restructuring plan	1,132
Employee Severance Costs | Accrued Employee Compensation
Restructuring Cost and Reserve [Line Items]
Amount of liability	1,000
Relocation costs
Restructuring Cost and Reserve [Line Items]
Expected restructuring charge	160
Lease Obligation Costs
Restructuring Cost and Reserve [Line Items]
Amount of liability	1,208
Employee severance costs paid	0
Total charges related to restructuring plan	1,208
Lease Obligation Costs | Other Long Term Liabilities
Restructuring Cost and Reserve [Line Items]
Amount of liability	$ 881