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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

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SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) - Additional Information (Details) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 29, 2017 USD ($)	Sep. 29, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 30, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jul. 01, 2016 USD ($)	Apr. 01, 2016 USD ($)	Dec. 29, 2017 USD ($)	Dec. 30, 2016 USD ($)	Jan. 01, 2016 USD ($)	Feb. 14, 2018 shareholder
Quarterly Operating Results Unaudited [Line Items]
Amortization of intangible assets									$ 36.1	$ 37.6	$ 25.4
Impairment of intangible assets									5.7	0.0	0.0
Subsequent Event [Member]
Quarterly Operating Results Unaudited [Line Items]
Number Of Stockholders \| shareholder												1,697
Operating Income (Loss) [Member]
Quarterly Operating Results Unaudited [Line Items]
Amortization of intangible assets	$ 9.0	$ 9.1	$ 9.0	$ 9.0	$ 9.0	$ 9.4	$ 9.5	$ 9.7	36.1	37.6	24.9
Acquisition and integration costs	1.5	$ 0.8			$ 0.8	0.7	1.4	$ 2.2	2.3	5.1	13.2
Impairment of intangible assets	$ 5.7								5.7
UK pension settlement							9.6			9.6	0.4
Latin America bad debt provision							7.6			7.6	11.7
Restructuring charges							$ 5.6		$ 0.0	$ 5.4	$ 8.2
Restructuring charge adjustment						$ (0.2)