Exit activities (Tables)

3 Months Ended

Mar. 31, 2016

Restructuring and Related Activities [Abstract]

Summary of Changes in the Outstanding Balances Related to the Exit Plan

A summary of changes in the outstanding liabilities related to the exit plan is as follows:

	Liability for employee termination benefits		Liability for early lease termination		Total
	($000 omitted)
Balances at December 31, 2015	760		952		1,712
Accrual for:
Severance expenses	442		—		442
Early lease termination costs	—		1,330		1,330
Reclassification of deferred rent balance	—		399		399
Payments	(310	)	(97	)	(407	)
Balances at March 31, 2016	892		2,584		3,476