CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 309.1	$ 316.2	$ 376.3
Other comprehensive income (loss):
Foreign currency translation loss	(5.7)	(51.0)	(26.4)
Unrealized (loss) gain on investments, net of tax		(0.4)	0.2
Pension and postretirement benefit adjustments, net of tax	0.7	0.6	(16.0)
Total other comprehensive loss	(5.0)	(50.8)	(42.2)
Comprehensive income	304.1	265.4	334.1
Less: Comprehensive income attributable to noncontrolling interests	4.8	4.7	4.8
Comprehensive income attributable to Reliance	$ 299.3	$ 260.7	$ 329.3