Acquisitions (Narrative) (Detail) (USD $)	3 Months Ended		6 Months Ended				0 Months Ended	12 Months Ended			1 Months Ended		1 Months Ended				12 Months Ended						3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 11, 2013 MEI Conlux Holdings [Member]	Dec. 31, 2012 MEI Conlux Holdings [Member]	Jun. 30, 2014 MEI Conlux Holdings [Member]	Dec. 31, 2013 MEI Conlux Holdings [Member]	Dec. 31, 2013 2.75% Notes Due 2018	Jun. 30, 2014 2.75% Notes Due 2018	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]	Jun. 30, 2014 Acquisition Related Restructuring [Member]	Jun. 30, 2014 Acquisition Related Restructuring [Member]	Jun. 30, 2013 Acquisition Related Restructuring [Member]
Business Acquisition [Line Items]
Business acquisition, purchase price							$ 804
Sales reported by acquired entity								399,000,000
Notes Issued											250,000,000		300,000,000
Debt Instrument, Interest Rate, Stated Percentage											2.75%	2.75%	4.45%
Proceeds Received Related To Adjustment Of Working Capital									6,100,000
Total current assets										173,000
Property, plant and equipment										46,000
Other assets										7,000
Intangible assets										302,000				7,000	13,000	277,000
Goodwill	1,247,324,000		1,247,324,000		1,249,316,000	813,792,000				435,000
Total assets acquired										963,000
Assumed liabilities										120,000
Net assets acquired										843,000
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	2,028,000	0	6,755,000	0																			2,000,000	6,800,000
Inventory and Backlog Amortization																								4,800,000
Restructuring charges	3,293,000	0	13,330,000	0																			1,600,000	5,600,000
Business Combination, Acquisition Related Costs																							$ 6,900,000		$ 9,700,000