Organization and Significant Accounting Policies (Details)	3 Months Ended								12 Months Ended				12 Months Ended
	Mar. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Sep. 30, 2013 USD ($)	Jun. 30, 2013 USD ($)	Mar. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Sep. 30, 2012 USD ($)	Jun. 30, 2012 USD ($)	Mar. 31, 2014 USD ($) business_group	Mar. 31, 2013 USD ($)	Mar. 31, 2012 USD ($)	Mar. 31, 2014 EUR (€)	Mar. 31, 2014 Net sales Electronics distributor risk	Mar. 31, 2013 Net sales Electronics distributor risk	Mar. 31, 2012 Net sales Electronics distributor risk	Mar. 31, 2014 Net sales Electronics distributor risk TTI, Inc. USD ($)	Mar. 31, 2013 Net sales Electronics distributor risk TTI, Inc. USD ($)	Mar. 31, 2012 Net sales Electronics distributor risk TTI, Inc. USD ($)	Mar. 31, 2014 Accounts receivable Credit risk customer	Mar. 31, 2013 Accounts receivable Credit risk customer	Mar. 31, 2014 Interest-bearing deposit placed with European bank USD ($)	Mar. 31, 2014 Interest-bearing deposit placed with European bank EUR (€)
Nature of Business and Organization
Number of business groups									2
Cash Equivalents
Money market accounts	$ 714,000				$ 29,984,000				$ 714,000	$ 29,984,000
Restricted Cash
Prepayment received from an original equipment manufacturer (OEM)	24,000,000								24,000,000
Prepayment received from an OEM classified as restricted cash	11,200,000								11,200,000
Guarantee issued by the European bank in conjunction with the establishment of a VAT registration in The Netherlands	2,100,000								2,100,000			1,500,000
Restricted cash	13,512,000				17,397,000				13,512,000	17,397,000											2,300,000	1,700,000
Inventories
Inventory consigned at customer locations	9,200,000				10,800,000				9,200,000	10,800,000
Property and Equipment
Depreciation expense									47,500,000	43,000,000	41,600,000
Property, plant and equipment impairment charges									4,500,000	7,300,000	15,800,000
Concentration Risk [Line Items]
Net sales	$ 215,821,000	$ 207,339,000	$ 208,449,000	$ 202,057,000	$ 199,539,000	$ 197,697,000	$ 211,165,000	$ 215,500,000	$ 833,666,000	$ 823,903,000	$ 924,052,000					$ 128,400,000	$ 127,800,000	$ 125,600,000
Number of customers whose accounts receivable balances exceeded 10% of gross accounts receivable																			0	0
Concentration risk, percentage													45.00%	46.00%	45.00%