Leases (Tables)

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Lease, Cost

The following table summarizes net lease expense recognized in White Mountains’s consolidated statement of operations for the three months ended March 31, 2019:

Millions Lease Cost	Three Months Ended March 31, 2019
Lease cost	$	1.7
Less: sublease income	.1
Net lease cost	$	1.6

Lessee, Operating Lease, Liability, Maturity

The following table presents the contractual maturities of the lease liabilities associated with White Mountains’s operating lease agreements as of March 31, 2019:

Millions	As of March 31, 2019
Remainder of 2019	$	4.2
2020	4.6
2021	3.9
2022	3.7
2023	3.1
Thereafter	5.1
Total undiscounted lease payments	24.6
Less: present value adjustment	2.8
Operating lease liability	$	21.8

Schedule of Right-of-Use Assets and Lease Liabilities

The following table presents lease related assets and liabilities by reportable segment as of March 31, 2019:

	As of March 31, 2019
Millions	HG/BAM		NSM		Other Operations		Total		Weighted Average Incremental Borrowing Rate (1)
ROU lease asset	$	11.8	$	4.7	$	5.0	$	21.5	4.7%
Lease liability	$	11.8	$	4.7	$	5.3	$	21.8

⁽¹⁾ The present value of the remaining lease payments were determined by discounting the lease payments using the incremental borrowing rate.