Sale of Stock, Percentage of Outstanding Shares Issued in Transaction

No definition available.

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- Definition

Stock Issued During Period, Shares, Separation Agreement

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

+ References

No definition available.

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

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- Definition

Amount of lessee's right to use underlying asset under operating lease.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

+ Details

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

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- Definition

Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction.

+ References

No definition available.

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- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

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Business overview and basis of presentation (Narrative) (Details) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 20, 2019 shares	Sep. 27, 2019 USD ($) $ / shares	Sep. 28, 2018	Sep. 27, 2019 USD ($) Business_Segments $ / shares	Sep. 28, 2018	Dec. 31, 2018 USD ($)	Jan. 01, 2019 USD ($)
Business Acquisition [Line Items]
Operating lease ROU assets		$ 201.8		$ 201.8			$ 182.0
Total operating lease liabilities		213.8		$ 213.8			$ 191.0
Business segments (in segments) \| Business_Segments				2
Cash and Cash Equivalents, at Carrying Value		$ 193.2		$ 193.2		$ 0.0
Payments to Acquire Businesses				$ 2,000.0
Common stock, shares issued (in shares) \| shares	127.9
Sale of Stock, Percentage of Ownership after Transaction				80.60%
Revenue Benchmark \| Customer Concentration Risk [Member]
Business Acquisition [Line Items]
Concentration Risk, Percentage		13.00%	13.00%	12.00%	12.00%
Accounts Receivable \| Customer Concentration Risk [Member]
Business Acquisition [Line Items]
Concentration Risk, Percentage				8.00%		8.00%
IPO
Business Acquisition [Line Items]
Issuance of common stock \| shares	30.8
Percentage of outstanding shares issued				19.40%
Price Per Share of Stock Issuance \| $ / shares		$ 22.00		$ 22.00
Proceeds from Issuance Initial Public Offering				$ 643.0