Acquisitions (Narrative) (Detail) (USD $)	3 Months Ended			12 Months Ended			1 Months Ended			1 Months Ended				12 Months Ended						3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2012 MEI Conlux Holdings [Member]	Dec. 31, 2013 MEI Conlux Holdings [Member]	Dec. 11, 2013 MEI Conlux Holdings [Member]	Dec. 31, 2013 Two point seven five Percent Notes Due 2018 [Member]	Mar. 31, 2014 Two point seven five Percent Notes Due 2018 [Member]	Dec. 31, 2012 Two point seven five Percent Notes Due 2018 [Member]	Dec. 31, 2013 6.55% Notes Due 2023	Dec. 31, 2013 Trademarks and Trade Names [Member] MEI Conlux Holdings [Member]	Dec. 31, 2013 Developed Technology Rights [Member] MEI Conlux Holdings [Member]	Dec. 31, 2013 Customer Relationships [Member] MEI Conlux Holdings [Member]	Dec. 31, 2013 Minimum [Member] Trademarks and Trade Names [Member] MEI Conlux Holdings [Member]	Dec. 31, 2013 Minimum [Member] Developed Technology Rights [Member] MEI Conlux Holdings [Member]	Dec. 31, 2013 Minimum [Member] Customer Relationships [Member] MEI Conlux Holdings [Member]	Dec. 31, 2013 Maximum [Member] Trademarks and Trade Names [Member] MEI Conlux Holdings [Member]	Dec. 31, 2013 Maximum [Member] Developed Technology Rights [Member] MEI Conlux Holdings [Member]	Dec. 31, 2013 Maximum [Member] Customer Relationships [Member] MEI Conlux Holdings [Member]	Mar. 31, 2014 Acquisition Related Restructuring [Member]	Mar. 31, 2013 Acquisition Related Restructuring [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets					$ 173,000
Business acquisition, purchase price						0
Sales reported by acquired entity				399,000,000
Notes Issued							250,000,000			300,000,000
Debt Instrument, Interest Rate, Stated Percentage							2.75%	4.45%	4.45%	4.45%
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment					45,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets					7,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangibles					302,000						7,000	13,000	277,000
Goodwill	1,247,100,000	1,249,316,000	813,792,000		442,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets					969,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities					120,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net					849,000
Finite-Lived Intangible Asset, Useful Life	14 years 4 months 24 days													5 years	3 years	13 years	10 years	6 years	18 years
Business Combination, Integration Related Costs	4,727,000																			4,700,000
Inventory and Backlog Amortization																				4,800,000
Restructuring charges	10,037,000																			4,000,000
Business Combination, Acquisition Related Costs																					$ 2,900,000