Quarterly report pursuant to Section 13 or 15(d)

Shareholders' (Deficit) Equity - Summary of Changes in Accumulated Other Comprehensive Income (Loss) (Detail)

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Shareholders' (Deficit) Equity - Summary of Changes in Accumulated Other Comprehensive Income (Loss) (Detail) (USD $)
 3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance $ (22,700,000) $ (44,300,000) $ (19,794,000) $ (31,700,000)
Other comprehensive income (loss) before reclassifications, net of tax (38,800,000) 15,500,000 (42,200,000) (400,000)
Amounts reclassified from accumulated other comprehensive income (loss) to income, net of tax 2,700,000 1,400,000 3,200,000 4,700,000
Total other comprehensive (loss) income (36,128,000) 16,912,000 (38,991,000) 4,324,000
Ending balance (58,785,000) (27,400,000) (58,785,000) (27,400,000)
Foreign Currency Translation Adjustments [Member]
        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance (25,400,000) (46,700,000) (25,600,000) (28,800,000)
Other comprehensive income (loss) before reclassifications, net of tax (39,900,000) 15,000,000 (39,700,000) (2,900,000)
Amounts reclassified from accumulated other comprehensive income (loss) to income, net of tax            
Total other comprehensive (loss) income (39,900,000) 15,000,000 (39,700,000) (2,900,000)
Ending balance (65,300,000) (31,700,000) (65,300,000) (31,700,000)
Unrealized Gain (Loss) on Derivatives [Member]
        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance 2,500,000 2,400,000 5,700,000 (2,900,000)
Other comprehensive income (loss) before reclassifications, net of tax 5,700,000 500,000 4,000,000 2,500,000
Amounts reclassified from accumulated other comprehensive income (loss) to income, net of tax (1,700,000) 1,400,000 (3,200,000) 4,700,000
Total other comprehensive (loss) income 4,000,000 1,900,000 800,000 7,200,000
Ending balance 6,500,000 4,300,000 6,500,000 4,300,000
Unrealized Gain (Loss) on Available-For-Sale Investments [Member]
        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning Balance 200,000    100,000   
Other comprehensive income (loss) before reclassifications, net of tax (4,600,000)    (6,500,000)   
Amounts reclassified from accumulated other comprehensive income (loss) to income, net of tax 4,400,000    6,400,000   
Total other comprehensive (loss) income (200,000)    (100,000)   
Ending balance