Consolidated Statements of Comprehensive Income/(Loss) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
NET INCOME/(LOSS)	$ 66,225,000	$ (19,567,000)	$ 214,003,000	$ 39,037,000
OTHER COMPREHENSIVE INCOME/(LOSS):
Foreign currency translation adjustment	12,295,000	6,750,000	(40,876,000)	7,195,000
Net unrealized (loss)/gain on qualifying cash flow hedges, net of tax benefit/(provision) of $171, ($337), ($10,970) and ($941), respectively	(257,000)	592,000	16,455,000	1,655,000
Changes in pension and other postretirement benefits, net of tax (provision)/benefit of ($56), ($24), ($169) and $190, respectively	98,000	42,000	295,000	(335,000)
Other Comprehensive Income (Loss), Net of Tax	12,136,000	7,384,000	(24,126,000)	8,515,000
COMPREHENSIVE INCOME/(LOSS)	78,361,000	(12,183,000)	189,877,000	47,552,000
Less: Comprehensive income attributable to noncontrolling interest	538,000	0	984,000	0
COMPREHENSIVE INCOME/(LOSS) ATTRIBUTABLE TO GENESEE & WYOMING INC.	$ 77,823,000	$ (12,183,000)	$ 188,893,000	$ 47,552,000