Comprehensive Income Attributable to Noncontrolling Shareholders' Interests (Tables)

12 Months Ended

Dec. 31, 2013

Equity [Abstract]

Comprehensive Income Attributable to Noncontrolling Shareholders' Interests

	2011		2012		2013
Net income attributable to noncontrolling shareholders’ interests	$	16,100	$	32,055	$	22,552
Other comprehensive income:
Currency translation adjustments		425		2,143		3,205
Comprehensive income attributable to noncontrolling shareholders’ interests	$	16,525	$	34,198	$	25,757