Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Subsequent Events Subsequent Events (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended	0 Months Ended
	Mar. 31, 2011	Dec. 31, 2014	Jan. 22, 2015	Jan. 15, 2015
Subsequent Event [Line Items]
Cash from credit facility used to fund acquisition	$ 145.0us-gaap_ProceedsFromLinesOfCredit
Interest rate spread over variable rate		1.75%
Arlon LLC [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Purchase price			157.0
Line of credit facility interest rate				1.9375%
Arlon LLC [Member] \| Subsequent Event [Member] \| LIBO rate [Member] \| Minimum [Member]
Subsequent Event [Line Items]
Interest rate spread over variable rate				1.75%
Arlon LLC [Member] \| Subsequent Event [Member] \| LIBO rate [Member] \| Maximum [Member]
Subsequent Event [Line Items]
Interest rate spread over variable rate				2.00%
Arlon LLC [Member] \| Subsequent Event [Member] \| Credit Facility [Member]
Subsequent Event [Line Items]
Cash from credit facility used to fund acquisition				125.0