Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2016

Valuation and Qualifying Accounts [Abstract]

Schedule II - Valuation and Qualifying Accounts

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

Years Ended December 31, 2016, 2015 and 2014

(Dollar amounts in thousands)			Additions
	Balance at Beginning of Year		Charged to Income		Acquisition of business		Deductions			Balance at End of Year
Year Ended December 31, 2016
Allowance for doubtful accounts	$	7,533	$	1,693	$	3	$	1,939	(a)	$	7,290
Tax valuation allowance	$	15,103	$	291	$	7,484	$	2,650	(b)	$	20,228
Year Ended December 31, 2015
Allowance for doubtful accounts	$	8,792	$	1,178	$	—	$	2,437	(a)	$	7,533
Tax valuation allowance	$	33,303	$	680	$	—	$	18,880	(b)	$	15,103
Year Ended December 31, 2014
Allowance for doubtful accounts	$	16,996	$	1,227	$	—	$	9,431	(a)	$	8,792
Tax valuation allowance	$	32,370	$	3,635	$	—	$	2,702	(b)	$	33,303

(a) Accounts written off during the year, net of recoveries of accounts previously written off and in 2014, the elimination of the CCT allowance for doubtful accounts.

(b) Net decrease in tax valuation allowance is primarily a result of net changes in cumulative book/tax timing differences and changes in judgment about the realizability of deferred tax assets.