Spin Off of Knowles (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended				6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Feb. 28, 2014 Knowles [Member]	Jun. 30, 2014 Accumulated Other Comprehensive Earnings (Loss) [Member]
Transfer of cash and cash equivalents at spin off, gross	$ 400,000
Cash received from Knowles Corporation, net of cash distributed	359,197	0
Accumulated other comprehensive income related to foreign currency translation and pension obligations	1,423,955				26,695
Reallocation of goodwill due to Knowles Separation	19,749
Revolving credit facility				100,000
Term loan facility				300,000
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Cash and cash equivalents				40,803
Other current assets				340,945
Non-current assets				1,678,820
Total assets of discontinued operations	207,884		2,432,286	2,060,568
Current liabilities	52,162		351,614	252,673
Non-current liabilities				383,940
Total liabilities of discontinued operations	105,730		504,318	636,613
Net assets distributed to Knowles Corporation				$ 1,423,955