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Inventories, Net (Details) - USD ($) $ in Millions	Dec. 31, 2018	Jun. 07, 2018	Jan. 01, 2018	Dec. 31, 2017
Inventory Disclosure [Abstract]
Finished goods	$ 49.8			$ 33.0
Work in process	16.2			56.0
Raw materials and purchased parts	74.9			66.4
Total FIFO cost	140.9			155.4
Excess of FIFO cost over LIFO inventory value	(12.1)			(12.4)
Total inventories	128.8		$ 102.8	143.0
Inventory [Line Items]
Total inventories	$ (128.8)		(102.8)	$ (143.0)
Domestic inventories, valued using the last-in, first-out ("LIFO") method, as a percentage of total inventory	45.00%			56.00%
Accounting Standards Update 2014-09 | Difference between Revenue Guidance in Effect before and after Topic 606
Inventory Disclosure [Abstract]
Total inventories	$ 52.1		(40.2)	$ (40.2)
Inventory [Line Items]
Total inventories	$ (52.1)		$ 40.2	$ 40.2
Cues, Inc.
Inventory [Line Items]
Inventories acquired		$ 30.7

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The amount of inventory recognized as of the acquisition date.

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The amount of FIFO (first in first out) inventory present at the reporting date when inventory is also valued using different valuation methods.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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Amount by which inventory stated at last-in first-out (LIFO) is less than (in excess of) inventory stated at other inventory cost methods.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of items purchased for use as components of a finished product or pieces of machinery and equipment plus any items in their natural and unrefined state. This element may be used when the reporting entity combines raw materials and purchased parts into an aggregate amount.

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Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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The percentage of LIFO (last in first out) inventory to total inventory as of the balance sheet date if other than 100 percent.

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