CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 13,015	$ 16,433	$ 39,516	$ 44,158
Other comprehensive income, net of tax:
Foreign currency translation adjustments	224	(1,950)	(1,737)	(1,961)
Comprehensive income	13,239	14,483	37,779	42,197
Comprehensive income attributable to non-controlling interest	(26)	(38)	(96)	(46)
Comprehensive income attributable to CAI common stockholders	$ 13,213	$ 14,445	$ 37,683	$ 42,151