Derivative Financial Instruments (Details)	9 Months Ended
	Sep. 30, 2014 USD ($)	Sep. 30, 2014 Interest rate cap contracts USD ($)	Dec. 31, 2013 Interest rate cap contracts USD ($)	Sep. 30, 2014 Senior Notes, Due 2020 [Member] Derivatives in Fair Value Hedging Relationships USD ($)	Dec. 31, 2013 Senior Notes, Due 2020 [Member] Derivatives in Fair Value Hedging Relationships USD ($)	Sep. 30, 2014 Senior Notes, Due 2022 [Member] Derivatives in Fair Value Hedging Relationships USD ($)	Dec. 31, 2013 Senior Notes, Due 2022 [Member] Derivatives in Fair Value Hedging Relationships USD ($)	Sep. 30, 2014 Term Loan A [Member] Cash Flow Hedging [Member] USD ($)	Dec. 31, 2013 Term Loan A [Member] Cash Flow Hedging [Member] USD ($)	Sep. 30, 2014 Designated as Hedging Instrument [Member] Aluminum t	Dec. 31, 2013 Designated as Hedging Instrument [Member] Aluminum t	Sep. 30, 2014 Designated as Hedging Instrument [Member] Copper t	Dec. 31, 2013 Designated as Hedging Instrument [Member] Copper t	Sep. 30, 2014 Designated as Hedging Instrument [Member] Natural Gas MMBTU	Dec. 31, 2013 Designated as Hedging Instrument [Member] Natural Gas MMBTU	Sep. 30, 2014 Designated as Hedging Instrument [Member] Steel T	Dec. 31, 2013 Designated as Hedging Instrument [Member] Steel T	Sep. 30, 2014 Designated as Hedging Instrument [Member] Canadian Dollar CAD	Dec. 31, 2013 Designated as Hedging Instrument [Member] Canadian Dollar CAD	Sep. 30, 2014 Designated as Hedging Instrument [Member] European Euro EUR (€)	Dec. 31, 2013 Designated as Hedging Instrument [Member] European Euro EUR (€)	Sep. 30, 2014 Designated as Hedging Instrument [Member] South Korean Won KRW	Dec. 31, 2013 Designated as Hedging Instrument [Member] South Korean Won KRW	Sep. 30, 2014 Designated as Hedging Instrument [Member] Singapore Dollar SGD	Dec. 31, 2013 Designated as Hedging Instrument [Member] Singapore Dollar SGD	Sep. 30, 2014 Designated as Hedging Instrument [Member] United States Dollar USD ($)	Dec. 31, 2013 Designated as Hedging Instrument [Member] United States Dollar USD ($)	Sep. 30, 2014 Not designated as hedging instruments Canadian Dollar CAD	Dec. 31, 2013 Not designated as hedging instruments Canadian Dollar CAD	Sep. 30, 2014 Not designated as hedging instruments Mexico, Pesos MXN	Dec. 31, 2013 Not designated as hedging instruments Mexico, Pesos MXN	Sep. 30, 2014 Not designated as hedging instruments European Euro EUR (€)	Dec. 31, 2013 Not designated as hedging instruments European Euro EUR (€)	Sep. 30, 2014 Not designated as hedging instruments United States Dollar USD ($)	Dec. 31, 2013 Not designated as hedging instruments United States Dollar USD ($)	Sep. 30, 2014 Not designated as hedging instruments Chinese Renminbi CNY	Dec. 31, 2013 Not designated as hedging instruments Chinese Renminbi CNY	Sep. 30, 2014 Not designated as hedging instruments Japan, Yen JPY (¥)	Dec. 31, 2013 Not designated as hedging instruments Japan, Yen JPY (¥)	Sep. 30, 2014 Not designated as hedging instruments Swiss Frank [Domain] CHF	Dec. 31, 2013 Not designated as hedging instruments Swiss Frank [Domain] CHF	Sep. 30, 2014 Not designated as hedging instruments Australia, Dollars AUD	Dec. 31, 2013 Not designated as hedging instruments Australia, Dollars AUD	Sep. 30, 2014 Not designated as hedging instruments United Kingdom, Pounds GBP (£)	Dec. 31, 2013 Not designated as hedging instruments United Kingdom, Pounds GBP (£)
Derivative financial instruments
Estimated amount of unrealized losses, net of tax, related to interest rate, commodity price and currency rate hedging that will be reclassified from other comprehensive income into earnings	$ 2,900,000
Hedge period, low end of the range (in months)	12 months
Hedge period, high end of the range (in months)	24 months
Commodity units hedged										1,700	1,622	601	382	357,727	214,277	9,712	11,503
Derivative, Notional Amount		$ 75,000,000	$ 100,000,000	$ 75,000,000	$ 75,000,000	$ 125,000,000	$ 125,000,000	$ 175,000,000	$ 0									11,655,598	11,011,092	€ 51,605,984	€ 74,934,975	2,914,210,972	1,258,808,642	6,000,000	5,280,000	$ 82,915,375	$ 42,200,000	572,175	0	2,014,929	0	€ 18,242,497	€ 31,738,273	$ 30,300,073	$ 29,091,053	0	125,000,000	¥ 48,000,000	¥ 0	1,300,000	0	0	1,000,000	£ 426,244	£ 0
Derivative, Fixed Interest Rate								1.635%
Cap on interest rate (as a percent)		3.00%
Description of variable interest rate		LIBOR