Organization and Significant Accounting Policies (Details) $ in Thousands, € in Millions	3 Months Ended								12 Months Ended
	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2016 USD ($) business_group	Mar. 31, 2015 USD ($)	Mar. 31, 2014 USD ($)	Mar. 31, 2016 EUR (€)	Mar. 31, 2016 USD ($)
Nature of Business and Organization
Number of business groups | business_group									2
Cash Equivalents
Money market accounts					$ 738					$ 738			$ 738
Restricted Cash and Cash Equivalents Items [Line Items]
Guarantee issued by the European bank in conjunction with the establishment of a VAT registration in The Netherlands												€ 1.5	1,700
Restricted cash					0					0
Inventories
Inventory consigned at customer locations					10,800					10,800			8,500
Property and Equipment
Depreciation									$ 36,900	38,700	$ 47,500
Concentration Risk [Line Items]
Net sales	$ 183,926	$ 177,184	$ 186,123	$ 187,590	$ 193,708	$ 201,310	$ 215,293	$ 212,881	$ 734,823	$ 823,192	$ 833,666
Interest-bearing deposit placed with European bank
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted cash												€ 1.7	$ 1,800
Net sales | Electronics distributor risk
Concentration Risk [Line Items]
Concentration risk, percentage									42.00%	45.00%	45.00%
Net sales | Electronics distributor risk | TTI, Inc.
Concentration Risk [Line Items]
Net sales									$ 99,300	$ 124,400	$ 128,400
Accounts receivable | Credit risk
Concentration Risk [Line Items]
Number of customers whose accounts receivable balances exceeded 10% of gross accounts receivable									0
Concentration risk, percentage									0.00%