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Restructuring and related cost, expected percentage of positions eliminated

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Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount expected to be recognized in earnings for the specified restructuring cost.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of accelerated depreciation charged against earnings associated with exit from or disposal of business activities or restructuring plan.

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Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

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Restructuring Restructuring (Details Textual) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ (11.6)		$ 0.0	$ (21.3)	$ 0.0
Property, plant and equipment, net	2,387.0	$ 2,187.6		2,387.0
Cambridge, MA
Restructuring Cost and Reserve [Line Items]
Property, plant and equipment, net	29.0			29.0
Remaining lease obligation	25.5			25.5
Accelerated depreciation	15.7			31.5
2015 restructuring charges
Restructuring Cost and Reserve [Line Items]
Expected cash payments		120.0
Adjustments to previous estimates, net				(2.2)
Expected net restructuring charges		105.0
Restructuring charges	1.6	$ (93.4)		(8.1)
2015 restructuring charges \| Workforce reduction
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected percentage of positions eliminated		11.00%
Adjustments to previous estimates, net		$ 15.9		(5.1)
2016 restructuring charges
Restructuring Cost and Reserve [Line Items]
Expected net restructuring charges	$ 20.0			20.0
Restructuring charges				$ (13.2)