Long-Term Compensation - RSU Awards (Detail) - Restricted Stock Units (RSUs) [Member] shares in Thousands	12 Months Ended
	Dec. 31, 2021 $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Unvested Awards, Beginning Balance | shares	986
Granted | shares	826	[1]
Vested and distributed | shares	(414)
Forfeited | shares	(161)
Number of Unvested Awards, Ending Balance | shares	1,237
Weighted Average Grant Date Fair Value | $ / shares	$ 80.32
Weighted Average Grant Date Fair Value, Granted | $ / shares	90.24	[1]
Weighted Average Grant Date Fair Value, Vested and distributed | $ / shares	78.82
Weighted Average Grant Date Fair Value, Forfeited | $ / shares	77.08
Weighted Average Grant Date Fair Value | $ / shares	$ 87.87

[1] Included in granted were unvested units based on the POP performance criteria being met for the 2018 – 2020 performance period and represented the earned award amounts subject to an additional vesting period. Unvested units are included in the award discussion above. These amounts also include awards earned for prior performance periods related to the compensation pool in excess of the initial award.