Long-Term Debt (Narrative) (Detail)				12 Months Ended
	Dec. 23, 2013 USD ($)	Dec. 06, 2013 USD ($)	May 13, 2011 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2016 USD ($)
Line of Credit Facility [Line Items]
Gain on early extinguishment of debt				$ 8,017,000	$ 13,222,000	$ 0
Senior Notes issued			$ 610,000,000
Amount repaid under outstanding term loan facility			$ 575,800,000
Percentage of Senior Notes to be redeemed prior to May 1, 2015			100.00%
Amortization of debt discount and debt issuance costs				$ 10,000,000	9,500,000
Term loan | Amended and Restated Credit Agreement
Line of Credit Facility [Line Items]
Amount available under credit facility	$ 2,025,000,000.000
Days prior to maturity. springing maturity	91 days
Interest rate	2.00%			4.25%
Basis spread on LIBOR/base rate	1.00%
Amortization rate per annum	1.00%
Percentage of future first-tier foreign subsidiaries collateralized	66.00%
Face value				$ 28,700,000
Amount of discounted prepayment				$ 20,000,000
Discount to par value (percentage)				30.00%
Gain on early extinguishment of debt				$ 8,500,000
Amount outstanding				1,810,000,000
Securitization facility | Amended and Restated Credit Agreement
Line of Credit Facility [Line Items]
Amount available under credit facility	$ 200,000,000.0
Amount outstanding				$ 0
Letter of Credit | Amended and Restated Credit Agreement
Line of Credit Facility [Line Items]
Amount available under credit facility	$ 30,000,000.0
Accounts Receivable Securitization Facility | Securitization Facility
Line of Credit Facility [Line Items]
Amount available under credit facility		$ 50,000,000.0
Amount outstanding					$ 0		$ 0
Term of accounts receivable securitization		5 years
7.75% Senior Notes
Line of Credit Facility [Line Items]
Interest rate			7.75%	7.75%	7.75%
London Interbank Offered Rate (LIBOR) | Term loan | Amended and Restated Credit Agreement
Line of Credit Facility [Line Items]
Interest rate	1.00%
Basis spread on LIBOR/base rate	3.25%
London Interbank Offered Rate (LIBOR) | Accounts Receivable Securitization Facility | Securitization Facility
Line of Credit Facility [Line Items]
Basis spread on LIBOR/base rate		2.50%
Base Rate | Term loan | Amended and Restated Credit Agreement
Line of Credit Facility [Line Items]
Basis spread on LIBOR/base rate	2.25%
Federal Funds Rate | Term loan | Amended and Restated Credit Agreement
Line of Credit Facility [Line Items]
Basis spread on LIBOR/base rate	0.50%
Index Rate | Accounts Receivable Securitization Facility | Securitization Facility
Line of Credit Facility [Line Items]
Basis spread on LIBOR/base rate		1.00%
Maximum | Term loan | Amended and Restated Credit Agreement
Line of Credit Facility [Line Items]
Consolidated net leverage ratio				5.0	5.5
Minimum | Term loan | Amended and Restated Credit Agreement
Line of Credit Facility [Line Items]
Consolidated net leverage ratio	4.0