Guarantees (Tables)

6 Months Ended

Mar. 31, 2020

Product Warranties Disclosures [Abstract]

Reconciliation of Changes in the Warranty Reserve

A rollforward of changes in the Accrued product warranties reserve for the periods covered in this report is as follows:

	Three Months Ended March 31				Six Months Ended March 31
	2020		2019		2020		2019
Balance as of beginning of period	$	28.8	$	24.9	$	29.7	$	20.5
Provision for warranties in the period	4.3		4.1		7.8		9.2
Warranty reserves assumed 1	—		—		—		2.8
Warranty claims in the period	(4.1)		(4.5)		(8.5)		(8.0)
Balance as of end of period	$	29.0	$	24.5	$	29.0	$	24.5

¹ As a result of the asset acquisition in our Front Line Care segment discussed in Note 4. Business Combinations.