Consolidated Statements of Operations and Comprehensive Income Consolidated Statements of Operations and Comprehensive Income (Parenthetical) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 30, 2018 |
Mar. 31, 2017 |
|
| Income Statement [Abstract] | ||
| Other comprehensive income (loss), tax | $ 1.0 | $ 0.6 |