Contingencies (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended			3 Months Ended								12 Months Ended	3 Months Ended
	Apr. 01, 2012 Scotland EMS Manufacturing Facility [Member] Business Interruption Caused Due To Fire [Member]	Apr. 01, 2012 Scotland EMS Manufacturing Facility [Member] Damage from fire [Member]	Jul. 03, 2011 Scotland EMS Manufacturing Facility [Member] Damage from fire [Member]	Jul. 03, 2011 Scotland EMS Manufacturing Facility [Member] Damage from fire [Member] Inventory [Member]	Jul. 03, 2011 Scotland EMS Manufacturing Facility [Member] Damage from fire [Member] Machinery and equipment [Member]	Apr. 01, 2012 Scotland EMS Manufacturing Facility [Member] Damage from flood [Member]	Mar. 31, 2013 Thailand EMS Manufacturing Facility [Member]	Apr. 01, 2012 Thailand EMS Manufacturing Facility [Member] Business Interruption Caused Due to Flood [Member]	Apr. 01, 2012 Thailand EMS Manufacturing Facility [Member] Property Damages Caused Due to Flood [Member]	Apr. 01, 2012 Thailand EMS Manufacturing Facility [Member] Damage from flood [Member]	Dec. 31, 2011 Thailand EMS Manufacturing Facility [Member] Damage from flood [Member]	Dec. 31, 2011 Thailand EMS Manufacturing Facility [Member] Damage from flood [Member]	Dec. 31, 2011 Thailand EMS Manufacturing Facility [Member] Damage from flood [Member] Inventory [Member]	Dec. 31, 2011 Thailand EMS Manufacturing Facility [Member] Damage from flood [Member] Machinery and equipment [Member]
Contingencies (Textual) [Abstract]
Net book value of assets damaged				$ 1.6	$ 0.2								$ 0.8	$ 0.5
Value of insurance converge deducted			0.1
Reimbursement of insurance claim		0.8						4.4	2.8	7.2
Recorded reimbursement for business interruption	0.6							3.0	1.8
Fixed costs incurred at facility											2.5
Insurance receivable recorded earlier, adjusted against proceeds							2.4
Insurance receivable relieved						$ 0.1						$ 2.4