Summary of Significant Accounting Policies - Additional Information (Details)			1 Months Ended	3 Months Ended									12 Months Ended
	Jul. 19, 2018 USD ($)	Jul. 05, 2011 patent	Jul. 31, 2015 patent	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jul. 01, 2018 USD ($)	Apr. 01, 2018 USD ($)	Dec. 31, 2017 USD ($)	Oct. 01, 2017 USD ($)	Jul. 02, 2017 USD ($)	Apr. 02, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2018 USD ($) Reporting_Unit	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Mar. 31, 2019 USD ($)	Jan. 01, 2018 USD ($)
Significant Accounting Policies [Line Items]
Amount of inventory as a percentage of prior year purchases that can be returned by certain distributors													3.00%
Unprocessed adjustments recognized against gross accounts receivables													$ 25,700,000	$ 35,700,000
Bad debt expense, net of recoveries													1,000,000	0	$ 1,500,000
Allowance for doubtful accounts				$ 8,200,000				$ 7,800,000					8,200,000	7,800,000
Obsolescence and other reserves				28,896,000				25,269,000					$ 28,896,000	25,269,000
Number of reporting units used in qualitative assessment | Reporting_Unit													7
Goodwill qualitative assessment				383,400,000									$ 383,400,000
Number of reporting units used in quantitative assessment | Reporting_Unit													4
Goodwill quantitative assessment				1,174,300,000									$ 1,174,300,000
Impairment of assets held for sale													0	0	23,931,000
Accumulated other comprehensive losses recognized as result of sale of equity method investment				74,907,000				98,026,000					74,907,000	98,026,000
Proceeds from disposal of business													40,171,000	0	0
Accrued sales rebates				41,312,000				38,025,000					41,312,000	38,025,000
Gain from patent litigation													62,141,000	0	0
Advertising costs													23,500,000	25,000,000	27,200,000
Valuation allowances				90,872,000				151,841,000					90,872,000	151,841,000
Tax Cuts and Jobs Act of 2017, income tax expense								28,400,000
Tax Cuts and Jobs Act of 2017, remeasurement of deferred tax assets and liabilities								36,000,000					400,000
Tax Cuts and Jobs Act of 2017, transition tax for accumulated foreign earnings, income tax expense								29,100,000					1,300,000
Tax Cuts and Jobs Act of 2017, valuation allowance against foreign tax credit carryforward								35,300,000					8,000,000
SAB 118 Tax Expense				2,900,000									10,000,000
Tax Cuts and Jobs Act of 2017, income tax expense related to employee compensation													1,100,000
Increase (decrease) in retained earnings				922,000,000				833,610,000					922,000,000	833,610,000
Other current assets				(55,757,000)				(40,167,000)					(55,757,000)	(40,167,000)
Other long-lived assets				(29,863,000)				(65,207,000)					(29,863,000)	(65,207,000)
Deferred income taxes				56,018,000				42,549,000				$ 33,706,000	56,018,000	42,549,000	33,706,000
Operating income				73,234,000	$ 131,278,000	$ 56,506,000	$ 44,203,000	59,915,000	$ 61,116,000	$ 62,776,000	$ 51,597,000		305,221,000	235,404,000	232,083,000
Goodwill impairment													0	0	0
Indefinite lived intangible asset impairment													0	0	0
Amortizable intangible asset impairment													0	0	0
Reportable Segment
Significant Accounting Policies [Line Items]
Impairment of assets held for sale													0	0	23,931,000
Gain from patent litigation													(62,141,000)	0	0
Subsidiaries | Corning
Significant Accounting Policies [Line Items]
Number of patents allegedly infringed upon | patent		2
Proceeds from settlement	$ 62,100,000
Number of patents found infringed upon | patent			2
Previously Closed Operating Facility | Discontinued Operations, Disposed of by Sale
Significant Accounting Policies [Line Items]
Disposition, sales price				$ 1,500,000									1,500,000
Gain on disposal													600,000
Hirschmann Jv | Discontinued Operations, Held-for-sale
Significant Accounting Policies [Line Items]
Disposition, sales price								40,200,000				39,000,000		40,200,000	39,000,000
Impairment of assets held for sale												$ 23,900,000
Equity method investment, realized loss on disposal														1,000,000
Accumulated other comprehensive losses recognized as result of sale of equity method investment								$ 2,800,000						$ 2,800,000
Proceeds from disposal of business													$ 40,200,000
Hirschmann Jv
Significant Accounting Policies [Line Items]
Equity method investment, ownership percentage								50.00%						50.00%
Minimum
Significant Accounting Policies [Line Items]
Estimated useful life of definite-lived intangible assets													1 year
Maximum
Significant Accounting Policies [Line Items]
Estimated useful life of definite-lived intangible assets													25 years
Buildings | Minimum
Significant Accounting Policies [Line Items]
Estimated useful life of property, plant, and equipment													P10Y
Buildings | Maximum
Significant Accounting Policies [Line Items]
Estimated useful life of property, plant, and equipment													P40Y
Machinery and equipment | Minimum
Significant Accounting Policies [Line Items]
Estimated useful life of property, plant, and equipment													P5Y
Machinery and equipment | Maximum
Significant Accounting Policies [Line Items]
Estimated useful life of property, plant, and equipment													P12Y
Computer Equipment and Software | Minimum
Significant Accounting Policies [Line Items]
Estimated useful life of property, plant, and equipment													P5Y
Computer Equipment and Software | Maximum
Significant Accounting Policies [Line Items]
Estimated useful life of property, plant, and equipment													P10Y
Accounting Standards Update 2014-09
Significant Accounting Policies [Line Items]
Increase (decrease) in retained earnings																	$ 2,600,000
Accounting Standards Update 2016-16
Significant Accounting Policies [Line Items]
Increase (decrease) in retained earnings																	(31,700,000)
Other current assets																	3,000,000
Other long-lived assets																	46,900,000
Deferred income taxes																	$ 18,200,000
Accounting Standards Update 2017-07
Significant Accounting Policies [Line Items]
Operating income														$ 700,000	$ 8,200,000
Scenario, Forecast | Accounting Standards Update 2016-02 | Minimum
Significant Accounting Policies [Line Items]
Operating lease, asset																$ 68,000,000
Operating lease, liability																68,000,000
Scenario, Forecast | Accounting Standards Update 2016-02 | Maximum
Significant Accounting Policies [Line Items]
Operating lease, asset																78,000,000
Operating lease, liability																$ 78,000,000