Background and Basis of Presentation (Details)
$ in Millions |
3 Months Ended |
|
|
|
Mar. 30, 2018
USD ($)
segment
|
Mar. 31, 2017
USD ($)
|
Jan. 01, 2018
USD ($)
|
Dec. 31, 2017
USD ($)
|
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
|
|
|
|
| Number of operating segments | segment |
3
|
|
|
|
| Number of reportable segments | segment |
3
|
|
|
|
| Accumulated earnings |
$ 491.7
|
|
|
$ 351.5
|
| Revenues from external customers |
1,377.6
|
$ 1,436.7
|
|
|
| Income before income taxes |
$ 156.9
|
115.0
|
|
|
| Distributors, repayment period |
30 days
|
|
|
|
| Repayment period of account receivable, cash discount, after the date of shipment |
10 days
|
|
|
|
| Standard product warranty, period from the date of shipment |
2 years
|
|
|
|
| Sales Agreements |
|
|
|
|
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
|
|
|
|
| Contract with customer, revenue recognized |
$ 1,372.8
|
|
|
|
| Product Development Agreements |
|
|
|
|
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
|
|
|
|
| Contract with customer, revenue recognized |
4.8
|
|
|
|
| Difference between Revenue Guidance in Effect before and after Topic 606 | Accounting Standards Update 2014-09 |
|
|
|
|
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
|
|
|
|
| Accumulated earnings |
|
|
$ 2.1
|
|
| Revenues from external customers |
$ 1.8
|
155.1
|
|
|
| Income before income taxes |
|
$ 59.0
|
|
|
| Image Sensor Group |
|
|
|
|
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
|
|
|
|
| Standard product warranty, period from the date of shipment |
1 year
|
|
|
|