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Supplemental Guarantor Condensed Consolidated Financial Statements - Condensed Consolidating Statement of Cash Flows (Detail) (USD $) In Thousands, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2013 | Jun. 30, 2012
Cash flows from operations: |  |
Net income (loss) for the period | $ 6,959 | $ (508)
Adjustments to reconcile net income (loss) to net cash used in operating activities: |  |
Depreciation and amortization | 5,045 | 5,553
Deferred income tax | 14,399 | (6,769)
Amortization of notes receivable | 9,388 | 9,760
Amortization of debt issuance costs | 319 | 319
Amortization of intangible assets |  | 3,233
Provision for credit losses | (147) | 111
Share-based compensation expense | 3,280 | 2,224
Changes in operating assets and liabilities | (145,122) | (37,790)
Cash used in operating activities | (105,879) | (23,867)
Cash flows from Investment activities |  |
Purchase of office facilities | (11,687) | (7,821)
Cash used in investing activities | (11,687) | (7,821)
Cash flows from financing activities |  |
Cash dividends paid on Class A non-voting and Class B voting common stock | (2,994) | (2,990)
Repurchase of Class A non-voting common stock | (208) | (1,551)
Tax benefit from share-based awards |  | 41
Other financing activities | 91,500 | 59,400
Cash provided by financing activities | 88,298 | 54,900
Net increase (decrease) in cash and cash equivalents | (29,268) | 23,212
Cash and cash equivalents, beginning of period | 135,366 | 70,329
Cash and cash equivalents, end of period | 106,098 | 93,541
Parent [Member] |  |
Cash flows from operations: |  |
Net income (loss) for the period | (6,327) | (5,868)
Adjustments to reconcile net income (loss) to net cash used in operating activities: |  |
Deferred income tax |  | 90
Amortization of debt issuance costs | 319 | 319
Changes in operating assets and liabilities | 9,328 | 8,517
Cash used in operating activities | 3,320 | 3,058
Cash flows from financing activities |  |
Cash dividends paid on Class A non-voting and Class B voting common stock | (2,994) | (2,990)
Repurchase of Class A non-voting common stock | (208) | (1,551)
Tax benefit from share-based awards |  | 41
Cash provided by financing activities | (3,202) | (4,500)
Net increase (decrease) in cash and cash equivalents | 118 | (1,442)
Cash and cash equivalents, beginning of period | 35 | 2,555
Cash and cash equivalents, end of period | 153 | 1,113
Guarantor Subsidiaries [Member] |  |
Cash flows from operations: |  |
Net income (loss) for the period | 3,776 | 2,185
Adjustments to reconcile net income (loss) to net cash used in operating activities: |  |
Deferred income tax |  | (2)
Changes in operating assets and liabilities | (8,250) | 11,799
Cash used in operating activities | (4,474) | 13,982
Cash flows from financing activities |  |
Net increase (decrease) in cash and cash equivalents | (4,474) | 13,982
Cash and cash equivalents, beginning of period | 40,658 | 11,882
Cash and cash equivalents, end of period | 36,184 | 25,864
Non-Guarantor Subsidiaries [Member] |  |
Cash flows from operations: |  |
Net income (loss) for the period | 9,510 | 3,175
Adjustments to reconcile net income (loss) to net cash used in operating activities: |  |
Depreciation and amortization | 5,045 | 5,553
Deferred income tax | 14,399 | (6,857)
Amortization of notes receivable | 9,388 | 9,760
Amortization of intangible assets |  | 3,233
Provision for credit losses | (147) | 111
Share-based compensation expense | 3,280 | 2,224
Changes in operating assets and liabilities | (146,200) | (58,106)
Cash used in operating activities | (104,725) | (40,907)
Cash flows from Investment activities |  |
Purchase of office facilities | (11,687) | (7,821)
Cash used in investing activities | (11,687) | (7,821)
Cash flows from financing activities |  |
Other financing activities | 91,500 | 59,400
Cash provided by financing activities | 91,500 | 59,400
Net increase (decrease) in cash and cash equivalents | (24,912) | 10,672
Cash and cash equivalents, beginning of period | 94,673 | 55,892
Cash and cash equivalents, end of period | $ 69,761 | $ 66,564

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