Long-Term Debt (Details) In Millions, unless otherwise specified				1 Months Ended					0 Months Ended			0 Months Ended				12 Months Ended							12 Months Ended			12 Months Ended			1 Months Ended					1 Months Ended		1 Months Ended		12 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012	Aug. 31, 2012 Debt redemption prior to October 1, 2015	Nov. 30, 2014 Debt redemption prior to December 1, 2017	Dec. 31, 2014 US Credit Agreement Revolving Credit Line USD ($)	Apr. 02, 2014 US Credit Agreement Revolving Credit Line USD ($)	Dec. 31, 2013 US Credit Agreement Revolving Credit Line USD ($)	Apr. 02, 2014 US Credit Agreement Revolving Credit Line LIBOR portion	Dec. 31, 2014 US Credit Agreement Term Loan USD ($)	Dec. 31, 2013 US Credit Agreement Term Loan USD ($)	Apr. 02, 2014 US Credit Agreement Term Loan LIBOR portion	Dec. 31, 2014 UK Credit Agreement Revolving Credit Line USD ($)	Dec. 31, 2014 UK Credit Agreement Revolving Credit Line GBP (£)	Dec. 31, 2013 UK Credit Agreement Revolving Credit Line USD ($)	Dec. 31, 2014 UK Credit Agreement Revolving Credit Line LIBOR portion	Dec. 31, 2014 UK Credit Agreement Revolving Credit Line Minimum LIBOR portion	Dec. 31, 2014 UK Credit Agreement Revolving Credit Line Maximum LIBOR portion	Dec. 31, 2014 U.K. Agreement Term Loan GBP (£)	Dec. 31, 2014 U.K. Agreement Term Loan USD ($)	Dec. 31, 2013 U.K. Agreement Term Loan USD ($)	Dec. 31, 2012 U.K. Agreement Term Loan GBP (£)	Dec. 31, 2014 U.K. Agreement Term Loan Minimum	Dec. 31, 2014 U.K. Agreement Term Loan Maximum	Dec. 31, 2014 UK Credit Agreement Overdraft Line of Credit USD ($)	Dec. 31, 2014 UK Credit Agreement Overdraft Line of Credit Bank of England Base Rate	Dec. 31, 2014 5.375% senior subordinated notes due 2024 USD ($)	Nov. 30, 2014 5.375% senior subordinated notes due 2024 USD ($)	Nov. 30, 2014 5.375% senior subordinated notes due 2024 Maximum Debt redemption prior to December 1, 2017	Dec. 31, 2014 5.75% senior subordinated notes due 2022 USD ($)	Dec. 31, 2013 5.75% senior subordinated notes due 2022 USD ($)	Dec. 31, 2012 5.75% senior subordinated notes due 2022	Aug. 31, 2012 5.75% senior subordinated notes due 2022 USD ($)	Aug. 31, 2012 5.75% senior subordinated notes due 2022 Maximum Debt redemption prior to October 1, 2015	Dec. 31, 2014 U.S. Commercial Vehicle Capital Loan USD ($)	Oct. 31, 2014 U.S. Commercial Vehicle Capital Loan LIBOR portion	Oct. 31, 2014 U.S. Commercial Vehicle Capital Loan Maximum	Dec. 31, 2014 Australia working capital loan agreement USD ($)	Dec. 31, 2014 Australia working capital loan agreement AUD	Dec. 31, 2014 Mortgage facilities USD ($)	Dec. 31, 2013 Mortgage facilities USD ($)	Dec. 31, 2014 Other Debt Securities USD ($)	Dec. 31, 2013 Other Debt Securities USD ($)	Dec. 31, 2014 US Credit Agreement Letters of Credit USD ($)
Long Term Debt
Total long-term debt	$ 1,352.6	$ 996.3						$ 90.0		$ 88.0	$ 98.0		$ 121.5		$ 106.0					$ 18.7	$ 29.8				$ 5.7		$ 300.0			$ 550.0	$ 550.0				$ 60.5					$ 169.7	$ 118.6	$ 38.5	$ 3.9
Less: current portion	(36.6)	(14.5)
Net long-term debt	1,316.0	981.8
Interest rate (as a percent)			3.50%																								5.375%			5.75%	5.75%	5.75%
Initial borrowing capacity							375.0
Scheduled maturities of long-term debt for each of the next five years and thereafter
2015	36.6
2016	21.1
2017	190.9
2018	8.0
2019	147.3
2020 and thereafter	948.7
Total long-term debt	1,352.6	996.3						90.0		88.0	98.0		121.5		106.0					18.7	29.8				5.7		300.0			550.0	550.0				60.5					169.7	118.6	38.5	3.9
Maximum credit available							450.0							100.0								30.0																22.9	28.0
Debt issued																												300.0					550.0
Base rate of interest on loans									LIBOR			LIBOR				LIBOR										Bank of England Base Rate										LIBOR		30-day Bill Rate	30-day Bill Rate
Line of credit basis spread on variable rate before amendment of agreement(as a percent)									2.25%
Line of credit basis spread on variable rate (as a percent)									2.00%			2.00%					1.35%	3.00%								1.75%										3.50%		2.35%	2.35%
Annual principal payment period																																					120 days
Incremental interest rate for uncollateralized borrowings in excess of maximum limit (as a percent)									1.50%
Letters of credit outstanding	23.5																																											0
Balance outstanding under credit agreement						0				88.0			127.2	81.6					12.0	18.7															60.5			0		169.7
Repayment of debt										10.0	12.0
Repayment of term loan, quarterly installments																			1.5
Frequency of principal repayments																			Quarterly
Final payment due December 31, 2015																			£ 7.5
Low end of interest rate, depending on UK subsidiaries ratios (as a percent)																							2.675%
High end of interest rate, depending on UK subsidiaries ratios (as a percent)																								4.325%
Domestic Subsidiaries ownership guaranteeing obligations (as a percent)																											100.00%			100.00%
Specified equity offerings, percentage of debt which may be redeemed																													40.00%					40.00%
Change of control, redemption price as a percentage of principal				101.00%	101.00%
Sale of assets, redemption price as percentage of principal				100.00%	100.00%