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Summary of Significant Accounting Policies (Narrative) (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended 64 Months Ended
Dec. 30, 2021
Jun. 17, 2021
Mar. 08, 2021
Apr. 01, 2019
Mar. 31, 2021
Mar. 31, 2019
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
May 15, 2015
Nov. 02, 2021
May 07, 2021
May 16, 2017
Accounting Policy [Line Items]                          
Depreciation expense             $ 27,823 $ 27,309 $ 24,904        
Asset impairments             2,326            
Other Nonrecurring Income             30,718            
Gain (loss) on disposal, net of tax             30,718            
Preproduction costs related to long-term supply arrangements, costs capitalized             16,292 14,259          
Impairment of Goodwill             0 0 0        
Intangible assets, net             49,863 55,394          
Amortization             5,387 5,399 5,955        
Amortization expense next year             7,000            
Amortization expense year two             6,200            
Amortization expense year three             6,200            
Amortization expense year four             6,200            
Amortization expense year five             $ 6,200            
Intangible assets, weighted-average remaining amortization period, years             8 years            
Intangible impairment charge             $ 0 0 0        
Design and development expense             $ 66,165 $ 49,386 $ 52,198        
Design and development expense percentage             8.80% 7.60% 6.30%        
Research and development expense reimbursed             $ 15,849 $ 19,302 $ 15,096        
Share-based compensation expense             5,960 5,888 6,191        
Share-based compensation expense capitalized as inventory             $ 0 0 0        
Antidilutive securities excluded from computation of earnings per share             372,937            
Cumulative goodwill impairment             $ 300,083 300,083          
Product warranty and recall accrual             3,094 3,647          
Inventory amount, FIFO             127,939 82,308          
Inventory amount, weighted average cost             10,176 8,240          
Foreign currency transaction gain (loss)             (2,037) 997 (372)        
Amortization of financing costs             643 506 624        
Interest expense, net             (5,189) (6,124) (4,324)        
Deferred financing costs, net             1,563 2,187          
Proceeds from sale of productive assets       $ 40,000                  
Operating lease right-of-use asset             18,343 18,944          
Operating lease liability             19,115 19,705          
Earn-out consideration, operating and financing activities           $ 8,474              
Payment of earn-out consideration paid within operating activities             2,065 (3,196) 2,308        
Earn-out consideration cash payment within financing activities                 3,394        
Selling, general and administrative             116,000 112,474 123,853        
Selling, General and Administrative Expenses [Member]                          
Accounting Policy [Line Items]                          
Share-based compensation expense             5,960 5,888 6,191        
Electronics [Member]                          
Accounting Policy [Line Items]                          
Interest expense, net             (462) (320) (162)        
PST [Member]                          
Accounting Policy [Line Items]                          
Interest expense, net             1,353 4 (167)        
Control Devices [Member]                          
Accounting Policy [Line Items]                          
Interest expense, net             $ (132) $ (173) $ (172)        
Performance Based Right to Receive Common Shares [Member]                          
Accounting Policy [Line Items]                          
Common shares, non-vested             580,116 752,784 566,337        
Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, number             580,116 752,784 566,337        
Customer Lists [Member]                          
Accounting Policy [Line Items]                          
Intangible assets, net             $ 24,760 $ 29,809          
Customer Lists [Member] | Electronics [Member]                          
Accounting Policy [Line Items]                          
Intangible assets, net             19,480            
Customer Lists [Member] | PST [Member]                          
Accounting Policy [Line Items]                          
Intangible assets, net             5,280            
Trade Names [Member]                          
Accounting Policy [Line Items]                          
Intangible assets, net               10,911          
Trade Names [Member] | Electronics [Member]                          
Accounting Policy [Line Items]                          
Intangible assets, net             4,084            
Trade Names [Member] | PST [Member]                          
Accounting Policy [Line Items]                          
Intangible assets, net             5,277            
Trademarks [Member]                          
Accounting Policy [Line Items]                          
Intangible assets, net             9,361            
Technology [Member]                          
Accounting Policy [Line Items]                          
Intangible assets, net             3,933 5,720          
Technology [Member] | Electronics [Member]                          
Accounting Policy [Line Items]                          
Intangible assets, net             1,590            
Technology [Member] | PST [Member]                          
Accounting Policy [Line Items]                          
Intangible assets, net             2,258            
Technology [Member] | Control Devices [Member]                          
Accounting Policy [Line Items]                          
Intangible assets, net             85            
Capitalized Software Development [Member]                          
Accounting Policy [Line Items]                          
Intangible assets, net             11,809 $ 8,954          
Capitalized Software Development [Member] | Electronics [Member]                          
Accounting Policy [Line Items]                          
Intangible assets, net             8,635            
Capitalized Software Development [Member] | Control Devices [Member]                          
Accounting Policy [Line Items]                          
Intangible assets, net             $ 3,174            
PST Eletronica Ltda [Member]                          
Accounting Policy [Line Items]                          
Percentage ownership in consolidated subsidiary                   74.00%      
Percentage of additional noncontrolling interest acquired                         26.00%
Minda Stoneridge Instruments Ltd [Member]                          
Accounting Policy [Line Items]                          
Equity method investment, ownership percentage             49.00% 49.00% 49.00%        
Equity method investments               $ 13,547          
Maximum [Member] | Pre-production Costs [Member]                          
Accounting Policy [Line Items]                          
Property, plant and equipment, useful life             7 years            
Maximum [Member] | Capitalized Software Development [Member]                          
Accounting Policy [Line Items]                          
Property, plant and equipment, estimated useful lives             P7Y            
Minimum [Member] | Pre-production Costs [Member]                          
Accounting Policy [Line Items]                          
Property, plant and equipment, useful life             3 years            
Minimum [Member] | Capitalized Software Development [Member]                          
Accounting Policy [Line Items]                          
Property, plant and equipment, estimated useful lives             P3Y            
Particulate Matter Sensor Gen 1 Assets [Member]                          
Accounting Policy [Line Items]                          
Disposal group, net sales             $ 12,592 8,814 $ 10,951        
Disposal group, operating income             1,415 1,090 438        
Selling, general and administrative             783            
Particulate Matter Sensor Gen 1 Assets [Member] | SMP [Member]                          
Accounting Policy [Line Items]                          
Disposal group, net sales             8,042            
Disposal Group, Sales after disposal             8,042            
Particulate Matter Sensor Gen 1 Assets [Member] | Control Devices [Member]                          
Accounting Policy [Line Items]                          
Other Nonrecurring Income         $ 740                
Disposal group, net sales         971                
Predisposition intercompany purchases         898                
Particulate Matter Sensor Gen 2 Assets [Member]                          
Accounting Policy [Line Items]                          
Gain (loss) on disposal, net of tax             408            
Proceeds from sale of productive assets             786            
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Canton Facility [Member]                          
Accounting Policy [Line Items]                          
Purchase price for sale of assets                       $ 38,200  
Proceeds from sale of productive assets   $ 37,900                      
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Canton Facility [Member] | Control Devices [Member]                          
Accounting Policy [Line Items]                          
Other Nonrecurring Income   30,718                      
Proceeds from sale of productive assets   $ 35,167                      
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | MSIL [Member]                          
Accounting Policy [Line Items]                          
Gain (loss) on disposal, net of tax $ 1,794                        
Proceeds from (payments related to) sale of business 20,999                        
Purchase price for sale of assets                     $ 21,500    
Proceeds from sale of productive assets $ 21,587                        
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Non-core Switches and Connector Product [Member]                          
Accounting Policy [Line Items]                          
Disposal group, net sales               41,560          
Disposal group, operating income               4,831          
Inventory Adjustments       1,573                  
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Non-core Switches and Connector Product [Member] | Control Devices [Member]                          
Accounting Policy [Line Items]                          
Other Nonrecurring Income       33,921                  
Disposal group, net sales       4,160                  
Predisposition intercompany purchases       $ 2,775                  
Services Provided Income Per Agreement Recognized As Reduction to Selling General And Administrative Expenses             $ 21 1,824          
Disposal Group, Sales after disposal               26,304          
Disposal Group, operating income after disposal               1,458          
Cash received for reimbursement of retention and facility costs on disposal               745          
Selling, general and administrative                 $ 322        
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Particulate Matter Sensor Assets [Member]                          
Accounting Policy [Line Items]                          
Purchase price for sale of assets     $ 4,000                    
Asset Purchase Agreement Date             Mar. 08, 2021            
Disposal Group post-closing inventory adjustment payment     1,133                    
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Particulate Matter Sensor Gen 1 Assets [Member]                          
Accounting Policy [Line Items]                          
Purchase price for sale of assets     3,214                    
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Particulate Matter Sensor Gen 1 Assets [Member] | Control Devices [Member]                          
Accounting Policy [Line Items]                          
Selling, general and administrative         $ 60                
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Particulate Matter Sensor Gen 2 Assets [Member]                          
Accounting Policy [Line Items]                          
Purchase price for sale of assets     $ 786                    
Orlaco [Member]                          
Accounting Policy [Line Items]                          
Payment of earn-out consideration paid within operating activities               5,080          
Earn-out consideration cash payment within financing activities               3,394          
Credit Facility [Member]                          
Accounting Policy [Line Items]                          
Capitalized deferred financing costs             $ 1,079 1,366          
Interest expense, net               $ (275)