Debt and Standby Letter of Credit Facilities (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Schedule of debt outstanding

White Mountains’s debt outstanding as of December 31, 2015 and 2014 consisted of the following:

	December 31,
Millions	2015			2014
WTM Bank Facility	$	50.0		$	—
OBH Senior Notes, at face value	275.0			275.0
Unamortized original issue discount	(.2		)	(.3		)
OBH Senior Notes, carrying value	274.8			274.7
OneBeacon Bank Facility	—			—
Tranzact Bank Facility	104.7			68.7
Unamortized issuance cost	(1.8		)	(1.3		)
Tranzact Bank Facility, carrying value	102.9			67.4
MediaAlpha Bank Facility	15.0			—
Unamortized issuance cost	(.3		)	—
MediaAlpha Bank Facility, carrying value	14.7			—
Other debt	—			1.0
Total debt	$	442.4		$	343.1

Schedule of contractual repayments of debt

A schedule of contractual repayments of White Mountains’s debt as of December 31, 2015, follows:

Millions	December 31, 2015
Due in one year or less	$	74.9
Due in two to three years	43.3
Due in four to five years	51.5
Due after five years	275.0
Total	$	444.7