Long-Term Debt (5.75% Senior Notes Due in 2022) (Details) - 5.75% Senior Notes due 2022 [Member] - North America [Member] - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Face Value		$ 600.0	$ 600.0
Fair Value (Level 2)		$ 450.0	$ 483.0
Stated Interest Rate		5.75%	5.75%
Interest Payment		Semi-Annual: Apr 1 & Oct 1	Semi-Annual: Apr 1 & Oct 1
Maturity Date		October 2022	October 2022
Call Option, Beginning Date, year one	[1]	Oct. 01, 2017
Call Option, Percentage, year one	[1]	102.875%
Call Option, Beginning Date, year two	[1]	Oct. 01, 2018
Call Option, Percentage, year two	[1]	101.917%
Call Option, Beginning Date, year three	[1]	Oct. 01, 2019
Call Option, Percentage, year three	[1]	100.958%
Call Option, Percentage, year four and thereafter	[1]	100.00%
Redemption price in cash equal to principal plus accrued and unpaid interest, percent		105.75%
Minimum [Member]
Debt Instrument [Line Items]
Percent of aggregate principal amount of senior notes issued remains outstanding		65.00%
Maximum [Member]
Debt Instrument [Line Items]
Percent of aggregate principal amount of senior notes that can be redeemed on or prior to October 1, 2015		35.00%

[1] The Company may, at its option, redeem the 5.75% Senior Notes on or after the stated beginning dates at percentages noted above (plus accrued and unpaidinterest). Additionally, on or prior to October 1, 2015, the Company had the right to redeem in the aggregate up to 35% of the aggregate principal amountof 5.75% Senior Notes issued with the cash proceeds from one or more equity offerings, at a redemption price in cash equal to 105.75% of the principal plus accrued and unpaid interest so long as (i) at least 65% of the aggregate principal amount of the 5.75% Senior Notes issued remained outstanding immediately after giving effect to any such redemption; and (ii) notice of any such redemption was given within 60 days after the date of the closing of any such equity offering. In addition, at any time prior to October 1, 2017, the Company may redeem some or all of the 5.75% Senior Notes at a redemption price equal to 100% of the principal amount plus accrued and unpaid interest, plus a make whole premium.