Comprehensive Income (Detail) - Changes in AOCI by Component (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 8,552		$ 2,763		$ 8,345		$ 5,968
Other comprehensive income (loss) before reclassifications	774		(1,007)		364		(4,785)
Reclassifications from AOCI to income	627	[1],[2]	602	[1],[2]	1,244	[1],[2]	1,175	[1],[2]
Other comprehensive income (loss)	1,401		(405)		1,608		(3,610)
Ending balance	9,953		2,358		9,953		2,358
Interest Rate Swap
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(3,433)		(5,449)		(3,903)		(6,010)
Other comprehensive income (loss) before reclassifications	(102)		213		(234)		207
Reclassifications from AOCI to income	613	[1],[2]	601	[1],[2]	1,215	[1],[2]	1,168	[1],[2]
Other comprehensive income (loss)	511		814		981		1,375
Ending balance	(2,922)		(4,635)		(2,922)		(4,635)
Defined Benefit Pension Plans
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(1,796)		(1,555)		(1,811)		(1,578)
Other comprehensive income (loss) before reclassifications	0		0		0		17
Reclassifications from AOCI to income	14	[1],[2]	1	[1],[2]	29	[1],[2]	7	[1],[2]
Other comprehensive income (loss)	14		1		29		24
Ending balance	(1,782)		(1,554)		(1,782)		(1,554)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	13,781		9,767		14,059		13,556
Other comprehensive income (loss) before reclassifications	876		(1,220)		598		(5,009)
Reclassifications from AOCI to income	0	[1],[2]	0	[1],[2]	0	[1],[2]	0	[1],[2]
Other comprehensive income (loss)	876		(1,220)		598		(5,009)
Ending balance	$ 14,657		$ 8,547		$ 14,657		$ 8,547

[1] The reclassifications related to defined benefit pension plans were recorded in Selling, general and administrative expense and had an immaterial tax effect for both periods. See Note 12 – Employee Benefits for information regarding the Company’s defined benefit pension plans.

[2] The reclassifications related to the interest rate swap (cash flow hedge) were recorded in Interest expense and exclude a related tax benefit reflected in the Provision for income taxes. See Note 10 – Derivatives and Hedging for information regarding the hedge.