Accumulated Other Comprehensive (Loss) Income (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Changes in accumulated balances for each classification of comprehensive (loss) income
Balance at the end of the period	$ 18.3		$ (3.0)
Foreign Currency Items
Changes in accumulated balances for each classification of comprehensive (loss) income
Balance at the beginning of the period	9.8		(20.7)		(8.8)
Change during period	18.2		30.5		(11.9)
Balance at the end of the period	28.0		9.8		(20.7)
Unrealized Gains (Losses) on Securities
Changes in accumulated balances for each classification of comprehensive (loss) income
Balance at the beginning of the period	0		0		0.1
Change during period	0		0		(0.1)
Balance at the end of the period	0		0		0
Derivative Financial Instruments
Changes in accumulated balances for each classification of comprehensive (loss) income
Balance at the beginning of the period	0.8	[1]	0.4	[1]	(1.5)	[1]
Change during period	(2.1)	[1]	0.9	[1]	1.5	[1]
Change in LNS derivative financial instrument	(0.1)	[1]	(0.5)	[1]	0.4	[1]
Balance at the end of the period	(1.4)	[1]	0.8	[1]	0.4	[1]
Other comprehensive income (loss), tax	(1.0)		0.5		(1.0)
Unrecognized pension benefit costs, net of taxes
Changes in accumulated balances for each classification of comprehensive (loss) income
Balance at the beginning of the period	(13.6)	[2]	(12.5)	[2]	(7.3)	[2]
Change during period	5.5	[2]	(0.8)	[2]	(5.0)	[2]
Reclassified into operations	(0.2)		(0.3)	[2]	(0.2)	[2]
Balance at the end of the period	(8.3)	[2]	(13.6)	[2]	(12.5)	[2]
Other comprehensive income (loss), tax	(2.0)		0.3		(1.6)
Accumulated Other Comprehensive (Loss) Income
Changes in accumulated balances for each classification of comprehensive (loss) income
Balance at the beginning of the period	(3.0)		(32.8)		(17.5)
Change during period	21.6		30.6		(15.5)
Change in LNS derivative financial instrument	(0.1)		(0.5)		0.4
Reclassified into operations	(0.2)		(0.3)		(0.2)
Balance at the end of the period	$ 18.3		$ (3.0)		$ (32.8)

[1] The change during the period is net of income taxes of $(1.0) million, $0.5 million and $(1.0) million in 2013, 2012 and 2011, respectively. We have recorded $0.1 million representing our share of the derivative instrument held by LNS.

[2] The change during the period is net of income taxes of $(2.0) million, $0.3 million and $(1.6) million in 2013, 2012 and 2011 respectively.