Business Acquisition (Details Textual) - USD ($)		3 Months Ended			6 Months Ended
	Apr. 05, 2018	Jun. 30, 2018	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Business Acquisition [Line Items]
Borrowings on credit facility					$ 258,000,000
Net sales		$ 136,168,000		$ 89,335,000	233,486,000	$ 170,688,000
Faster S.p.A [Member]
Business Acquisition [Line Items]
Business acquisition, date of acquisition	Apr. 05, 2018
Business acquisition of outstanding equity interest perceentage	100.00%
Cash consideration paid	$ 532,408,000
Cash consideration, net of cash acquried	$ 527,144,000
Maximum tax benefits realization period	2 years
Potential future liability	$ 0	$ 0	$ 0		0
Acquisition-related costs (included in Selling, engineering, and administrative expenses)			4,271,000		$ 4,271,000
Net sales			38,747,000
Income(loss) before income taxes			(1,454,000)
Charges related to purchase accounting effects of inventory			3,125,000
Amortization of Acquisition-related intangible assets			6,027,000
Accelerated amortization of pre acquisition loan costs			2,328,000
Loss on forward contract			(2,535,000)
Faster S.p.A [Member] | Sales Order Backlog [Member]
Business Acquisition [Line Items]
Amortization of Acquisition-related intangible assets			$ 3,633,000
Faster S.p.A [Member] | Revolving Credit and Term Loan Facility [Member]
Business Acquisition [Line Items]
Borrowings on credit facility	$ 358,000,000