Comprehensive Income (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss), Currency Translation Adjustment [Roll Forward]
Balance at beginning of year	$ 32,000,000	$ 29,900,000	$ 46,600,000
Current year net change	(14,900,000)	2,100,000	(16,700,000)
Balance at end of year	17,100,000	32,000,000	29,900,000
Accumulated Other Comprehensive Income (Loss), Unrecognized Pension Costs [Roll Forward]
Balance at beginning of year	(85,300,000)	(77,500,000)	(51,900,000)
Current year net change	34,300,000	(7,800,000)	(25,600,000)
Balance at end of year	(51,000,000)	(85,300,000)	(77,500,000)
Accumulated Other Comprehensive Income (Loss), Net Gain (Loss) On Cash Flow Hedges [Roll Forward]
Balance at beginning of year	2,100,000	2,300,000	1,700,000
Current year net change	500,000	(200,000)	600,000
Balance at end of year	2,600,000	2,100,000	2,300,000
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of year	(51,198,000)	(45,300,000)	(3,600,000)
Current year net change	19,900,000	(5,900,000)	(41,700,000)
Balance at end of year	(31,265,000)	(51,198,000)	(45,300,000)
Income tax expense (benefit) associated with items included in other comprehensive income (loss)	22,600,000	(1,300,000)	15,500,000
Reclassifications out of accumulated other comprehensive income, net of related tax [Abstract]
Amortization of prior service cost	(1,200,000)
Amortization of actuarial gains (losses)	8,800,000
Total reclassifications from accumulated other comprehensive income	$ 7,600,000