Guarantor and Non-Guarantor Subsidiaries - Condensed Consolidating Statement of Cash Flows (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
OPERATING ACTIVITIES
Net cash provided by (used in) operating activities	$ 17,573	$ (22,518)
INVESTING ACTIVITIES
Capital expenditures, including other intangible assets	(132,794)	(91,537)
Acquisition of businesses, net of cash acquired	(13,504)	(1,084)
Return on equity investments	2,120
Proceeds from the sale of fixed assets and other	3,584	8,997
Net cash used in investing activities	(140,594)	(83,624)
FINANCING ACTIVITIES
Proceeds from issuance of senior PIK toggle notes, net of debt issuance costs	194,357
Decrease in short-term debt	1,648	(2,833)
Principal payments on long-term debt	(3,825)	(4,310)
Purchase of noncontrolling interest	(1,911)
Repurchase of preferred and common stock		(25,500)
Repurchase of common stock	(217,549)	(20,636)
Proceeds from exercise of warrants	11,252
Other	(5,302)	520
Net cash used in financing activities	(26,077)	(37,264)
Effects of exchange rate changes on cash and cash equivalents	(2,225)	(501)
Changes in cash and cash equivalents	(151,323)	(143,907)
Cash and cash equivalents at beginning of period	270,555	361,745
Cash and cash equivalents at end of period	119,232	217,838
Depreciation and amortization	83,300	91,200
Parent [Member]
OPERATING ACTIVITIES
Net cash provided by (used in) operating activities	5,200	5,100
INVESTING ACTIVITIES
Capital expenditures, including other intangible assets
Acquisition of businesses, net of cash acquired
Return on equity investments
Proceeds from the sale of fixed assets and other
Net cash used in investing activities
FINANCING ACTIVITIES
Proceeds from issuance of senior PIK toggle notes, net of debt issuance costs	194,400
Decrease in short-term debt
Principal payments on long-term debt
Purchase of noncontrolling interest
Repurchase of preferred and common stock
Repurchase of common stock	(174,400)
Proceeds from exercise of warrants
Other	(4,800)	(5,100)
Net cash used in financing activities	15,200	(5,100)
Effects of exchange rate changes on cash and cash equivalents
Changes in cash and cash equivalents	20,400
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period	20,400
Depreciation and amortization
Issuer [Member]
OPERATING ACTIVITIES
Net cash provided by (used in) operating activities	(11,400)	(7,600)
INVESTING ACTIVITIES
Capital expenditures, including other intangible assets	(20,000)	(19,900)
Acquisition of businesses, net of cash acquired	4,000
Return on equity investments
Proceeds from the sale of fixed assets and other
Net cash used in investing activities	(16,000)	(19,900)
FINANCING ACTIVITIES
Proceeds from issuance of senior PIK toggle notes, net of debt issuance costs
Decrease in short-term debt
Principal payments on long-term debt
Purchase of noncontrolling interest
Repurchase of preferred and common stock		(25,500)
Repurchase of common stock	(43,100)
Proceeds from exercise of warrants	11,300
Other	(50,600)	(9,900)
Net cash used in financing activities	(82,400)	(35,400)
Effects of exchange rate changes on cash and cash equivalents
Changes in cash and cash equivalents	(109,800)	(62,900)
Cash and cash equivalents at beginning of period	177,500	189,600
Cash and cash equivalents at end of period	67,700	126,700
Depreciation and amortization	21,200	21,300
Guarantors [Member]
OPERATING ACTIVITIES
Net cash provided by (used in) operating activities	7,100	8,000
INVESTING ACTIVITIES
Capital expenditures, including other intangible assets	(13,600)	(12,100)
Acquisition of businesses, net of cash acquired
Return on equity investments	2,100
Proceeds from the sale of fixed assets and other		4,100
Net cash used in investing activities	(11,500)	(8,000)
FINANCING ACTIVITIES
Proceeds from issuance of senior PIK toggle notes, net of debt issuance costs
Decrease in short-term debt
Principal payments on long-term debt
Purchase of noncontrolling interest
Repurchase of preferred and common stock
Repurchase of common stock
Proceeds from exercise of warrants
Other
Net cash used in financing activities
Effects of exchange rate changes on cash and cash equivalents
Changes in cash and cash equivalents	(4,400)
Cash and cash equivalents at beginning of period	4,400
Cash and cash equivalents at end of period
Depreciation and amortization	9,300	11,000
Non-Guarantors [Member]
OPERATING ACTIVITIES
Net cash provided by (used in) operating activities	16,600	(28,000)
INVESTING ACTIVITIES
Capital expenditures, including other intangible assets	(99,200)	(59,500)
Acquisition of businesses, net of cash acquired	(17,500)	(1,100)
Return on equity investments
Proceeds from the sale of fixed assets and other	3,600	4,900
Net cash used in investing activities	(113,100)	(55,700)
FINANCING ACTIVITIES
Proceeds from issuance of senior PIK toggle notes, net of debt issuance costs
Decrease in short-term debt	1,600	(2,800)
Principal payments on long-term debt	(3,800)	(4,300)
Purchase of noncontrolling interest	(1,900)
Repurchase of preferred and common stock
Repurchase of common stock
Proceeds from exercise of warrants
Other	45,200	10,300
Net cash used in financing activities	41,100	3,200
Effects of exchange rate changes on cash and cash equivalents	(2,200)	(500)
Changes in cash and cash equivalents	(57,600)	(81,000)
Cash and cash equivalents at beginning of period	88,700	172,100
Cash and cash equivalents at end of period	31,100	91,100
Depreciation and amortization	52,800	58,900
Eliminations [Member]
OPERATING ACTIVITIES
Net cash provided by (used in) operating activities
INVESTING ACTIVITIES
Capital expenditures, including other intangible assets
Acquisition of businesses, net of cash acquired
Return on equity investments
Proceeds from the sale of fixed assets and other
Net cash used in investing activities
FINANCING ACTIVITIES
Proceeds from issuance of senior PIK toggle notes, net of debt issuance costs
Decrease in short-term debt
Principal payments on long-term debt
Purchase of noncontrolling interest
Repurchase of preferred and common stock
Repurchase of common stock
Proceeds from exercise of warrants
Other
Net cash used in financing activities
Effects of exchange rate changes on cash and cash equivalents
Changes in cash and cash equivalents
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period
Depreciation and amortization