Accrued Liabilities

3 Months Ended

Mar. 31, 2021

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Accrued Liabilities

Accrued Liabilities

Accrued liabilities consist of: 

(in millions)	March 31, 2021		December 31, 2020
Employee related expenses	$	107.3	$	124.3
Warranty	11.5		9.4
Current lease liabilities	23.5		23.4
Contract liabilities	95.5		103.0
Other	136.9		135.8
Total	$	374.7	$	395.9

We accrue warranty liabilities when it is probable that an asset has been impaired or a liability has been incurred and the amount of the loss can be reasonably estimated. Warranty provision is included within “Cost of sales” in our Condensed Consolidated Statements of Operations.

The following table summarizes warranty activity recorded during the three months ended March 31, 2021 and 2020.

(in millions)	2021		2020
Balance at beginning of period	$	9.4	$	11.0
Expense	3.2		2.6
Changes due to acquisitions	—		0.3
Payments / deductions	(1.0)		(3.0)
Currency translation	(0.1)		(0.1)
Balance at end of period	$	11.5	$	10.8