Noncontrolling interest (Tables)

3 Months Ended

Mar. 31, 2014

Noncontrolling Interest [Abstract]

Redeemable Noncontrolling Interest

A reconciliation of redeemable non-controlling interest for the three month periods ended March 31, 2014 and March 31, 2013, is as follows:

	Three months ended   March 31,
	2014			2013
Balance, beginning of period	$	18,729		21,662
Net loss attributable to non-controlling interest	(167		)	(112	)
Currency translation adjustment	776			305
Ending balance	$	19,338		21,855