Accumulated Other Comprehensive Income , Equity and Redeemable Noncontrolling Interests - Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax	$ 1,609	$ 0
Fair value change of derivatives
Fair value change of derivatives, Income before income taxes	(168)	(7)
Fair value change of derivatives, Income tax expense	69	2
Fair value change of derivatives, Consolidated net income	(99)	(5)
Amortization of defined benefit and other postretirement benefit plans
Amortization of defined benefit and other postretirement benefit plans, Prior service credits	87	82
Amortization of defined benefit andother postretirement benefit plans, Actuarial gains (losses)	(612)	224
Amortization of defined benefit and other postretirement benefit plans, Income before income taxes	(525)	306
Amortization of defined benefit and other postretirement benefit plans, Income tax expense	141	(140)
Amortization of defined benefit and other postretirement benefit plans, Consolidated net income	(384)	166
Total reclassifications for the period	1,126	161
Cost of products sold [Member] | Foreign exchange contract [Member]
Fair value change of derivatives
Fair value change of derivatives, Income before income taxes	$ (168)	$ (7)