Borrowings (Additional Information) (Detail) (USD $)	9 Months Ended									9 Months Ended					9 Months Ended
	Sep. 30, 2014 covenant	Dec. 31, 2013	Sep. 30, 2014 2.58% Senior Euro Notes, due June 2015	Jun. 09, 2010 2.58% Senior Euro Notes, due June 2015	Dec. 06, 2010 4.5% Senior Notes, due December 2020	Dec. 09, 2011 4.2% Senior Notes, due December 2021	Sep. 30, 2014 Minimum Other borrowings	Sep. 30, 2014 Minimum 2.58% Senior Euro Notes, due June 2015	Sep. 30, 2014 Maximum Other borrowings	Sep. 30, 2014 Letters Of Credit	Sep. 30, 2014 Swing line Loans	Sep. 30, 2014 Revolving Facility	Dec. 31, 2013 Revolving Facility	Sep. 30, 2014 Revolving Facility Minimum	Sep. 30, 2014 Revolving Facility Maximum	Sep. 30, 2014 Other borrowings	Dec. 31, 2013 Other borrowings
Line of Credit Facility [Line Items]
Revolving facility principal amount	$ 700,000,000.0									$ 75,000,000.0	$ 25,000,000.0
Revolving facility expiration date	Jun. 27, 2016
Applicable margin over LIBOR												1.05%		0.875%	1.70%
Annual credit facility fee basis point rate spread over LIBOR												0.20%
Current borrowings under revolving facility												70,000,000	10,000,000
Outstanding letters of credit												8,300,000
Revolving Facility, amount available to borrow												621,700,000
Notes payable and current portion of long-term borrowings	103,250,000	1,871,000	102,749,000
Other borrowings																$ 2,406,000	$ 4,271,000
Stated interest rate				2.58%	4.50%	4.20%	0.30%		1.30%
Number of financial covenants	2
Interest coverage ratio								3.0
Leverage ratio															3.25