Accumulated Other Comprehensive Income (Loss) - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended					9 Months Ended			9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Accumulated Translation Adjustment [Member]	Sep. 30, 2013 Accumulated Translation Adjustment [Member]	Jun. 30, 2013 Accumulated Translation Adjustment [Member]	Sep. 30, 2014 Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Sep. 30, 2013 Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Jun. 30, 2013 Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Sep. 30, 2014 Accumulated Defined Benefit Plans Adjustment [Member]	Sep. 30, 2013 Accumulated Defined Benefit Plans Adjustment [Member]	Jun. 30, 2013 Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss (income), net of tax, beginning balance		$ (403,558)	$ (392,711)	$ (403,625)	$ (104,278)	$ (93,722)	$ (104,840)	$ (4,012)	$ (218)	$ (4,379)	$ (284,421)	$ (309,685)	$ (294,339)
OCI before reclassifications			(21,972)	(15,359)	(26,872)	(11,118)		4,900	(4,241)		0	0
Amounts reclassified from AOCI			15,622	15,426	0	0		2,906	80		12,716	15,346
Net current period other comprehensive income (loss)	(15,347)	8,974	(6,350)	67	(26,872)	(11,118)		7,806	(4,161)		12,716	15,346
Accumulated other comprehensive loss (income), net of tax, ending balance	$ (399,061)		$ (399,061)		$ (131,150)		$ (104,840)	$ 3,794		$ (4,379)	$ (271,705)		$ (294,339)