Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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Debt Instrument, Issue Price, Percentage

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Represents the minimum percentage of the original principal amount of the debt instrument that must remain outstanding after the entity has redeemed a portion of the debt instrument with net cash proceeds from qualified equity offerings.

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Represents the number of loan facilities included with the senior credit facility.

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Represents the number of series of senior notes outstanding.

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Represents the redemption price of the debt instrument as a percentage of the principal amount if redeemed with net proceeds from qualified equity offerings.

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Debt Weighted Average Interest Rate, Including Interest Rate Swaps

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Derivative, Fixed Interest Rate Plus Applicable Spread Based on the consolidated total leverage ratio of the Company as defined under the New Senior Credit Facility

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Repayments of Long-term Debt including Redemption Premium

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Represents the minimum percentage of the principal amount outstanding on the Senior Notes which entitles the holders to declare the debt instrument due and payable immediately in the event of default.

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Nominal or face amount used to calculate payments on the derivative liability.

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Gross amount of debt extinguished.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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Debt - Narrative (Details)				1 Months Ended				3 Months Ended	12 Months Ended
Debt - Narrative (Details)	Oct. 14, 2015	Feb. 18, 2014 USD ($)	May. 13, 2011 USD ($) facility	Sep. 30, 2015 USD ($)	Apr. 30, 2015 USD ($)	Oct. 19, 2012 USD ($)	May. 31, 2011	Sep. 30, 2012 USD ($)	Dec. 31, 2015 USD ($) facility note	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Jan. 03, 2014 USD ($)	Oct. 18, 2010 USD ($)	Feb. 03, 2010 USD ($)
Debt Instrument [Line Items]
Number of Senior Notes outstanding \| note									2
Repayments of debt									$ 106,100,000	$ 638,700,000	$ 266,500,000
Maximum percentage of the principal amount of the debt instrument which the entity may redeem with proceeds from qualified equity offerings (as a percent) (up to)	35.00%
Debt, repurchase price	101.00%
Event of default, minimum percentage of Senior Notes held required to declare debt due and payable (as a percent) (at least)									25.00%
Cash received from monetized derivative asset								$ 14,800,000
Loss on debt extinguishment									$ (200,000)	(25,500,000)	$ (3,000,000)
Carrying amount									$ 1,413,600,000	1,523,500,000
Senior Credit Facility
Debt Instrument [Line Items]
Line of credit facility			$ 1,250,000,000.0
Number of loan facilities included with the senior credit facility \| facility			3
Senior Credit Facility \| LIBOR
Debt Instrument [Line Items]
Spreads for LIBOR and prime borrowings									2.50%
Senior Credit Facility \| Prime Rate
Debt Instrument [Line Items]
Spreads for LIBOR and prime borrowings									1.50%
New Senior Credit Facility
Debt Instrument [Line Items]
Line of credit facility												$ 1,050,000,000
Number of loan facilities included with the senior credit facility \| facility									3
Commitment fee (as a percent)									0.50%
Percentage of stock of certain foreign subsidiaries guaranteed									65.00%
Revolving credit facility
Debt Instrument [Line Items]
Carrying amount									$ 0	0
Revolving credit facility \| Senior Credit Facility
Debt Instrument [Line Items]
Line of credit facility			$ 500,000,000.0
Amount of borrowings									0
Highest daily borrowings									374,000,000
Average borrowings									$ 312,900,000
Weighted average interest rate (as a percent)									2.71%
Revolving credit facility \| New Senior Credit Facility
Debt Instrument [Line Items]
Line of credit facility												500,000,000
Debt instrument, term									5 years
Line of Credit \| Senior Credit Facility
Debt Instrument [Line Items]
Debt instrument, term							5 years
Term loan A
Debt Instrument [Line Items]
Carrying amount									$ 312,800,000	336,900,000
Term loan A \| Senior Credit Facility
Debt Instrument [Line Items]
Debt instrument, term							5 years
Aggregate amount			350,000,000.0
Weighted average interest rate (as a percent)									2.75%
Debt weighted average interest rate									3.29%
Term loan A \| New Senior Credit Facility
Debt Instrument [Line Items]
Debt instrument, term									5 years
Aggregate amount												350,000,000
Term loan B
Debt Instrument [Line Items]
Repayments of debt						$ 36,000,000
Loss on debt extinguishment									$ (200,000)
Carrying amount									$ 119,500,000	168,500,000
Term loan B \| Senior Credit Facility
Debt Instrument [Line Items]
Debt instrument, term							6 years 6 months
Aggregate amount			$ 400,000,000.0
Weighted average interest rate (as a percent)									3.25%
Debt weighted average interest rate									3.25%
Term loan B \| New Senior Credit Facility
Debt Instrument [Line Items]
Debt instrument, term									7 years
Aggregate amount												$ 200,000,000
Senior notes due 2013
Debt Instrument [Line Items]
Extinguishment of debt, amount						150,000,000
Senior notes due 2018
Debt Instrument [Line Items]
Aggregate amount														$ 400,000,000
Interest rate, stated percentage (as a percent)														9.50%
Repayments of long term debt		$ 419,000,000
Redemption percentage		104.75%
Senior notes due 2020
Debt Instrument [Line Items]
Aggregate amount													$ 600,000,000
Interest rate, stated percentage (as a percent)													8.50%
Carrying amount									$ 613,100,000	614,800,000
Senior notes due 2022
Debt Instrument [Line Items]
Aggregate amount						$ 300,000,000
Interest rate, stated percentage (as a percent)						5.875%
Issue price percentage						100.00%
Redemption price of debt instrument if redeemed with proceeds from qualified equity offerings (as a percent)	105.875%
Minimum percentage of the principal amount of the debt instrument which must remain outstanding after the entity has redeemed a portion of the debt instrument with proceeds from qualified equity offerings (as a percent) (at least)	65.00%
Maximum redemption period for the entity to redeem the debt instrument following the receipt of proceeds from qualified equity offerings (in number of days) (not more than)	90 days
Carrying amount									$ 299,200,000	296,900,000
Other
Debt Instrument [Line Items]
Weighted average interest rate (as a percent)									5.378%
Carrying amount									$ 69,000,000	106,400,000
Cash Flow Hedging \| Term loan A
Debt Instrument [Line Items]
Derivative, notional amount									$ 175,000,000	175,000,000
Interest rate hedged at									1.635%
Fair Value Hedging \| Senior Notes, Due 2020 and Due 2022
Debt Instrument [Line Items]
Derivative, notional amount									$ 0
Fair Value Hedging \| Senior Notes, Due 2022
Debt Instrument [Line Items]
Derivative, notional amount										125,000,000
Monetized derivative liability				$ 80,000,000	$ 45,000,000
Gain (loss) on monetization				$ (500,000)	(700,000)
Fair Value Hedging \| Senior Notes, Due 2020
Debt Instrument [Line Items]
Derivative, notional amount										$ 75,000,000
Monetized derivative liability					$ 75,000,000
Model 31000 crane \| Other
Debt Instrument [Line Items]
Carrying amount									$ 18,500,000
Scenario, Actual \| New Senior Credit Facility
Debt Instrument [Line Items]
Senior secured leverage ratio									1.90
Consolidated interest coverage ratio									3.71
Maximum \| Scenario Required \| New Senior Credit Facility
Debt Instrument [Line Items]
Senior secured leverage ratio									3.25
Minimum \| Scenario Required \| New Senior Credit Facility
Debt Instrument [Line Items]
Consolidated interest coverage ratio									2.75