Financing Arrangements - Summary of Weighted Average Interest Rate (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Interest Rate Derivatives [Abstract]
Weighted average interest rate	3.50%	3.50%	4.20%	3.10%