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Long-Term Debt and Commitments, Summary of Long-Term Debt (Details) - USD ($)
$ in Millions

3 Months Ended

Apr. 04, 2021

Dec. 31, 2020

Feb. 14, 2017

Jun. 23, 2015

Long-Term Debt and Commitments [Abstract]

Long-term debt

$ 934.5

$ 934.2

Less: Current maturities

0.9

^[1]

1.0

^[2]

Total long-term debt

933.6

^[1]

933.2

^[2]

Term Loan Facility - Variable Tranche [Member]

Long-Term Debt and Commitments [Abstract]

Long-term debt

$ 536.5

535.6

$ 788.0

$ 1,078.0

Maturity date

Feb. 14, 2024

Unamortized discount and deferred financing costs

$ 11.5

12.4

Senior Notes due 2028 [Member]

Long-Term Debt and Commitments [Abstract]

Long-term debt

$ 394.1

393.9

Maturity date

Jun. 30, 2028

Unamortized deferred financing costs

$ 5.9

6.1

Netherlands Term Loan Due 2022 [Member]

Long-Term Debt and Commitments [Abstract]

Long-term debt

$ 0.4

0.6

Maturity date

Dec. 31, 2022

Japan Loan Facilities [Member]

Long-Term Debt and Commitments [Abstract]

Long-term debt

$ 3.5

$ 4.1

[1]	Unaudited
[2]	Condensed from audited financial statements

X

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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