Revenue (Tables)

3 Months Ended

Mar. 31, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue [Table Text Block]

For additional information related to revenue disaggregation by reportable segment, geographical region and solution, refer to note 20. In the following table, revenue is disaggregated by timing of revenue recognition:

	Three Months Ended
	March 31,
Timing of revenue recognition	2018	2017
Products transferred at a point in time	35%	41%
Products and services transferred over time	65%	59%
Net sales	100%	100%

Contract with Customer, Asset and Liability [Table Text Block]

The following table provides 2018 information about receivables and deferred revenue which represent contract liabilities from contracts with customers:

Contract balance information	Trade Receivable		Contract liabilities
Balance at January 1	$	830.1	$	437.5
Balance at March 31	$	852.2	$	502.0

Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]

The following tables summarize the impacts of adopting Topic 606 on the Company’s condensed consolidated financial statements as of and for the period ended March 31, 2018 as if the Company continued to follow its accounting policies under the previous revenue recognition guidance.

	Impact of changes in accounting policy for the three months ended March 31, 2018 (unaudited)
	As Reported		Adjustments			Balances without adoption of Topic 606
Trade receivables, less allowances for doubtful accounts of $74.2 and $71.7, respectively	$	852.2	$	(3.2	)	$	849.0
Inventories	$	831.3	$	11.5		$	842.8
Deferred revenue	$	502.0	$	13.1		$	515.1
Deferred income taxes	$	285.5	$	(0.8	)	$	284.7
Retained earnings	$	354.0	$	(4.0	)	$	350.0