XML 66 R50.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Guarantor and Non-Guarantor Supplemental Financial Information (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Statement of Operations Information | CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS Year Ended December 31, 2017
| Parent |  | Guarantor Subsidiaries |  | Non-Guarantor Subsidiaries |  | Eliminations |  | Consolidated
| (In thousands)
Revenue | $ | — |  |  | $ | 7,661,878 |  |  | $ | 2,817,310 |  |  | $ | (419,344 | ) |  | $ | 10,059,844 |
Costs and expenses: |  |  |  |  |  |  |  |  |
Cost of revenue | — |  |  | 1,342,847 |  |  | 430,662 |  |  | (16,978 | ) |  | 1,756,531 |
Selling and marketing | — |  |  | 3,714,710 |  |  | 1,985,541 |  |  | (402,419 | ) |  | 5,297,832 |
Technology and content | — |  |  | 991,291 |  |  | 395,504 |  |  | (8 | ) |  | 1,386,787 |
General and administrative | — |  |  | 408,949 |  |  | 266,951 |  |  | 61 |  |  | 675,961 |
Amortization of intangible assets | — |  |  | 181,778 |  |  | 93,667 |  |  | — |  |  | 275,445 |
Legal reserves, occupancy tax and other | — |  |  | 25,412 |  |  | — |  |  | — |  |  | 25,412 |
Restructuring and related reorganization charges | — |  |  | 4,924 |  |  | 11,814 |  |  | — |  |  | 16,738 |
Intercompany (income) expense, net | — |  |  | 695,328 |  |  | (695,328 | ) |  | — |  |  | — |
Operating income | — |  |  | 296,639 |  |  | 328,499 |  |  | — |  |  | 625,138 |
Other income (expense): |  |  |  |  |  |  |  |  |
Equity in pre-tax earnings of consolidated subsidiaries | 493,013 |  |  | 336,300 |  |  | — |  |  | (829,313 | ) |  | — |
Other, net | (179,541 | ) |  | (59,547 | ) |  | 30,714 |  |  | — |  |  | (208,374 | )
Total other income, net | 313,472 |  |  | 276,753 |  |  | 30,714 |  |  | (829,313 | ) |  | (208,374 | )
Income before income taxes | 313,472 |  |  | 573,392 |  |  | 359,213 |  |  | (829,313 | ) |  | 416,764 |
Provision for income taxes | 64,492 |  |  | (67,406 | ) |  | (42,491 | ) |  | — |  |  | (45,405 | )
Net income | 377,964 |  |  | 505,986 |  |  | 316,722 |  |  | (829,313 | ) |  | 371,359 |
Net loss attributable to non-controlling interests | — |  |  | 846 |  |  | 5,759 |  |  | — |  |  | 6,605 |
Net income attributable to Expedia, Inc. | $ | 377,964 |  |  | $ | 506,832 |  |  | $ | 322,481 |  |  | $ | (829,313 | ) |  | $ | 377,964 |
Comprehensive income attributable to Expedia, Inc. | $ | 509,430 |  |  | $ | 698,106 |  |  | $ | 563,978 |  |  | $ | (1,262,084 | ) |  | $ | 509,430 |
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS Year Ended December 31, 2016
| Parent |  | Guarantor Subsidiaries |  | Non-Guarantor Subsidiaries |  | Eliminations |  | Consolidated
| (In thousands)
Revenue | $ | — |  |  | $ | 6,807,279 |  |  | $ | 2,267,516 |  |  | $ | (301,231 | ) |  | $ | 8,773,564 |
Costs and expenses: |  |  |  |  |  |  |  |  |
Cost of revenue | — |  |  | 1,263,828 |  |  | 346,200 |  |  | (13,330 | ) |  | 1,596,698 |
Selling and marketing | — |  |  | 3,071,762 |  |  | 1,583,993 |  |  | (288,338 | ) |  | 4,367,417 |
Technology and content | — |  |  | 903,444 |  |  | 331,230 |  |  | 345 |  |  | 1,235,019 |
General and administrative | — |  |  | 429,015 |  |  | 249,185 |  |  | 92 |  |  | 678,292 |
Amortization of intangible assets | — |  |  | 248,634 |  |  | 68,507 |  |  | — |  |  | 317,141 |
Impairment of intangibles | — |  |  | — |  |  | 34,890 |  |  | — |  |  | 34,890 |
Legal reserves, occupancy tax and other | — |  |  | 26,498 |  |  | — |  |  | — |  |  | 26,498 |
Restructuring and related reorganization charges | — |  |  | 30,322 |  |  | 25,585 |  |  | — |  |  | 55,907 |
Intercompany (income) expense, net | — |  |  | 656,273 |  |  | (656,273 | ) |  | — |  |  | — |
Operating income | — |  |  | 177,503 |  |  | 284,199 |  |  | — |  |  | 461,702 |
Other income (expense): |  |  |  |  |  |  |  |  |
Equity in pre-tax earnings of consolidated subsidiaries | 383,883 |  |  | 286,016 |  |  | — |  |  | (669,899 | ) |  | — |
Other, net | (162,455 | ) |  | (21,206 | ) |  | (1,441 | ) |  | — |  |  | (185,102 | )
Total other income (expense), net | 221,428 |  |  | 264,810 |  |  | (1,441 | ) |  | (669,899 | ) |  | (185,102 | )
Income before income taxes | 221,428 |  |  | 442,313 |  |  | 282,758 |  |  | (669,899 | ) |  | 276,600 |
Provision for income taxes | 60,420 |  |  | (50,168 | ) |  | (25,567 | ) |  | — |  |  | (15,315 | )
Net income | 281,848 |  |  | 392,145 |  |  | 257,191 |  |  | (669,899 | ) |  | 261,285 |
Net loss attributable to non-controlling interests | — |  |  | — |  |  | 20,563 |  |  | — |  |  | 20,563 |
Net income attributable to Expedia, Inc. | $ | 281,848 |  |  | $ | 392,145 |  |  | $ | 277,754 |  |  | $ | (669,899 | ) |  | $ | 281,848 |
Comprehensive income attributable to Expedia, Inc. | $ | 280,297 |  |  | $ | 373,649 |  |  | $ | 238,299 |  |  | $ | (611,948 | ) |  | $ | 280,297 |
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS Year Ended December 31, 2015
| Parent |  | Guarantor Subsidiaries |  | Non-Guarantor Subsidiaries(1) |  | Eliminations |  | Consolidated
| (In thousands)
Revenue | $ | — |  |  | $ | 5,194,549 |  |  | $ | 1,682,677 |  |  | $ | (204,909 | ) |  | $ | 6,672,317 |
Costs and expenses: |  |  |  |  |  |  |  |  |
Cost of revenue | — |  |  | 1,009,785 |  |  | 308,463 |  |  | (8,689 | ) |  | 1,309,559 |
Selling and marketing | — |  |  | 2,347,919 |  |  | 1,230,059 |  |  | (196,892 | ) |  | 3,381,086 |
Technology and content | — |  |  | 584,560 |  |  | 245,495 |  |  | 189 |  |  | 830,244 |
General and administrative | — |  |  | 373,162 |  |  | 200,268 |  |  | 483 |  |  | 573,913 |
Amortization of intangible assets | — |  |  | 58,524 |  |  | 97,934 |  |  | — |  |  | 156,458 |
Impairment of intangible assets | — |  |  | — |  |  | 7,207 |  |  | — |  |  | 7,207 |
Legal reserves, occupancy tax and other | — |  |  | (104,587 | ) |  | — |  |  | — |  |  | (104,587 | )
Restructuring and related reorganization charges | — |  |  | 76,422 |  |  | 28,449 |  |  | — |  |  | 104,871 |
Intercompany (income) expense, net | — |  |  | 742,010 |  |  | (742,010 | ) |  | — |  |  | — |
Operating income | — |  |  | 106,754 |  |  | 306,812 |  |  | — |  |  | 413,566 |
Other income (expense): |  |  |  |  |  |  |  |  |
Equity in pre-tax earnings of consolidated subsidiaries | 839,779 |  |  | 870,108 |  |  | — |  |  | (1,709,887 | ) |  | — |
Gain on sale of business | — |  |  | — |  |  | 508,810 |  |  | — |  |  | 508,810 |
Other, net | (119,451 | ) |  | 64,576 |  |  | 58,461 |  |  | — |  |  | 3,586 |
Total other income, net | 720,328 |  |  | 934,684 |  |  | 567,271 |  |  | (1,709,887 | ) |  | 512,396 |
Income before income taxes | 720,328 |  |  | 1,041,438 |  |  | 874,083 |  |  | (1,709,887 | ) |  | 925,962 |
Provision for income taxes | 44,137 |  |  | (194,251 | ) |  | (53,100 | ) |  | — |  |  | (203,214 | )
Net income | 764,465 |  |  | 847,187 |  |  | 820,983 |  |  | (1,709,887 | ) |  | 722,748 |
Net loss attributable to non-controlling interests | — |  |  | — |  |  | 41,717 |  |  | — |  |  | 41,717 |
Net income attributable to Expedia, Inc. | $ | 764,465 |  |  | $ | 847,187 |  |  | $ | 862,700 |  |  | $ | (1,709,887 | ) |  | $ | 764,465 |
Comprehensive income attributable to Expedia, Inc. | $ | 763,202 |  |  | $ | 822,898 |  |  | $ | 742,132 |  |  | $ | (1,709,887 | ) |  | $ | 618,345 |
___________________________________
(1) | Includes results through our disposal of eLong on May 22, 2015.
Schedule of Balance Sheet Information | CONDENSED CONSOLIDATING BALANCE SHEET December 31, 2017
| Parent |  | Guarantor Subsidiaries |  | Non-Guarantor Subsidiaries |  | Eliminations |  | Consolidated
| (In thousands)
ASSETS |  |  |  |  |  |  |  |  |
Total current assets | $ | 358,251 |  |  | $ | 3,493,392 |  |  | $ | 2,263,166 |  |  | $ | (575,220 | ) |  | $ | 5,539,589 |
Investment in subsidiaries | 10,265,237 |  |  | 4,249,014 |  |  | — |  |  | (14,514,251 | ) |  | — |
Intangible assets, net | — |  |  | 1,735,988 |  |  | 572,548 |  |  | — |  |  | 2,308,536 |
Goodwill | — |  |  | 6,366,378 |  |  | 1,862,487 |  |  | — |  |  | 8,228,865 |
Other assets, net | 5,056 |  |  | 1,677,397 |  |  | 775,421 |  |  | (19,236 | ) |  | 2,438,638 |
TOTAL ASSETS | $ | 10,628,544 |  |  | $ | 17,522,169 |  |  | $ | 5,473,622 |  |  | $ | (15,108,707 | ) |  | $ | 18,515,628 |
LIABILITIES AND STOCKHOLDERS’ EQUITY |  |  |  |  |  |  |  |  |
Total current liabilities | $ | 750,922 |  |  | $ | 6,797,895 |  |  | $ | 905,093 |  |  | $ | (575,220 | ) |  | $ | 7,878,690 |
Long-term debt, excluding current maturities | 3,749,054 |  |  | — |  |  | — |  |  | — |  |  | 3,749,054 |
Other long-term liabilities | — |  |  | 494,134 |  |  | 262,084 |  |  | (19,236 | ) |  | 736,982 |
Redeemable non-controlling interests | — |  |  | 9,673 |  |  | 12,661 |  |  | — |  |  | 22,334 |
Stockholders’ equity | 6,128,568 |  |  | 10,220,467 |  |  | 4,293,784 |  |  | (14,514,251 | ) |  | 6,128,568 |
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY | $ | 10,628,544 |  |  | $ | 17,522,169 |  |  | $ | 5,473,622 |  |  | $ | (15,108,707 | ) |  | $ | 18,515,628 |
CONDENSED CONSOLIDATING BALANCE SHEET December 31, 2016
| Parent |  | Guarantor Subsidiaries |  | Non-Guarantor Subsidiaries |  | Eliminations |  | Consolidated
| (In thousands)
ASSETS |  |  |  |  |  |  |  |  |
Total current assets | $ | 293,759 |  |  | $ | 2,535,711 |  |  | $ | 1,829,191 |  |  | $ | (1,208,410 | ) |  | $ | 3,450,251 |
Investment in subsidiaries | 9,536,273 |  |  | 3,410,687 |  |  | — |  |  | (12,946,960 | ) |  | — |
Intangible assets, net | — |  |  | 1,921,519 |  |  | 525,133 |  |  | — |  |  | 2,446,652 |
Goodwill | — |  |  | 6,392,479 |  |  | 1,549,544 |  |  | — |  |  | 7,942,023 |
Other assets, net | 4,107 |  |  | 1,608,218 |  |  | 331,818 |  |  | (5,523 | ) |  | 1,938,620 |
TOTAL ASSETS | $ | 9,834,139 |  |  | $ | 15,868,614 |  |  | $ | 4,235,686 |  |  | $ | (14,160,893 | ) |  | $ | 15,777,546 |
LIABILITIES AND STOCKHOLDERS’ EQUITY |  |  |  |  |  |  |  |  |
Total current liabilities | $ | 981,700 |  |  | $ | 5,733,755 |  |  | $ | 620,153 |  |  | $ | (1,208,410 | ) |  | $ | 6,127,198 |
Long-term debt, excluding current maturities | 3,159,336 |  |  | — |  |  | — |  |  | — |  |  | 3,159,336 |
Other long-term liabilities | — |  |  | 629,634 |  |  | 173,798 |  |  | (5,523 | ) |  | 797,909 |
Stockholders’ equity | 5,693,103 |  |  | 9,505,225 |  |  | 3,441,735 |  |  | (12,946,960 | ) |  | 5,693,103 |
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY | $ | 9,834,139 |  |  | $ | 15,868,614 |  |  | $ | 4,235,686 |  |  | $ | (14,160,893 | ) |  | $ | 15,777,546 |
Schedule of Cash Flow Statement Information | CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS Year Ended December 31, 2017
| Parent |  | Guarantor Subsidiaries |  | Non-Guarantor Subsidiaries |  | Consolidated
| (In thousands)
Operating activities: |  |  |  |  |  |  |
Net cash provided by operating activities | $ | — |  |  | $ | 1,310,451 |  |  | $ | 488,703 |  |  | $ | 1,799,154 |
Investing activities: |  |  |  |  |  |  |
Capital expenditures, including internal-use software and website development | — |  |  | (546,679 | ) |  | (163,651 | ) |  | (710,330 | )
Purchases of investments | — |  |  | (1,221,821 | ) |  | (589,534 | ) |  | (1,811,355 | )
Sales and maturities of investments | — |  |  | 875,497 |  |  | 220,907 |  |  | 1,096,404 |
Acquisitions, net of cash acquired | — |  |  | (169,836 | ) |  | (803 | ) |  | (170,639 | )
Transfers (to) from related parties | — |  |  | (5,031 | ) |  | 5,031 |  |  | — |
Other, net | — |  |  | 6,657 |  |  | 6,873 |  |  | 13,530 |
Net cash used in investing activities | — |  |  | (1,061,213 | ) |  | (521,177 | ) |  | (1,582,390 | )
Financing activities: |  |  |  |  |  |  |
Proceeds from issuance of long-term debt, net of debt issuance costs | 989,600 |  |  | — |  |  | — |  |  | 989,600 |
Purchases of treasury stock | (312,089 | ) |  | — |  |  | — |  |  | (312,089 | )
Payment of dividends to stockholders | (175,775 | ) |  | — |  |  | — |  |  | (175,775 | )
Proceeds from exercise of equity awards and employee stock purchase plan | 228,187 |  |  | — |  |  | 894 |  |  | 229,081 |
Withholding taxes for stock option exercises | (5,398 | ) |  | — |  |  | (3,665 | ) |  | (9,063 | )
Changes in controlled subsidiaries, net | — |  |  | — |  |  | (18,137 | ) |  | (18,137 | )
Transfers (to) from related parties | (724,525 | ) |  | 605,047 |  |  | 119,478 |  |  | — |
Other, net | — |  |  | (14,909 | ) |  | (1,194 | ) |  | (16,103 | )
Net cash provided by financing activities | — |  |  | 590,138 |  |  | 97,376 |  |  | 687,514 |
Effect of exchange rate changes on cash and cash equivalents | — |  |  | 36,052 |  |  | 109,588 |  |  | 145,640 |
Net increase in cash and cash equivalents | — |  |  | 875,428 |  |  | 174,490 |  |  | 1,049,918 |
Cash and cash equivalents at beginning of year | — |  |  | 425,471 |  |  | 1,371,340 |  |  | 1,796,811 |
Cash and cash equivalents at end of year | $ | — |  |  | $ | 1,300,899 |  |  | $ | 1,545,830 |  |  | $ | 2,846,729 |
CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS Year Ended December 31, 2016
| Parent |  | Guarantor Subsidiaries |  | Non-Guarantor Subsidiaries |  | Consolidated
| (In thousands)
Operating activities: |  |  |  |  |  |  |
Net cash provided by operating activities | $ | — |  |  | $ | 940,191 |  |  | $ | 624,143 |  |  | $ | 1,564,334 |
Investing activities: |  |  |  |  |  |  |
Capital expenditures, including internal-use software and website development | — |  |  | (635,534 | ) |  | (113,814 | ) |  | (749,348 | )
Purchases of investments | — |  |  | — |  |  | (45,352 | ) |  | (45,352 | )
Sales and maturities of investments | — |  |  | 37,830 |  |  | 23,105 |  |  | 60,935 |
Acquisitions, net of cash acquired | — |  |  | — |  |  | (777 | ) |  | (777 | )
Transfers (to) from related parties | — |  |  | (172,731 | ) |  | 172,731 |  |  | — |
Proceeds from sale of business, net of cash divested and disposal costs | — |  |  | — |  |  | 67,088 |  |  | 67,088 |
Other, net | — |  |  | (50,029 | ) |  | (838 | ) |  | (50,867 | )
Net cash provided by (used in) investing activities | — |  |  | (820,464 | ) |  | 102,143 |  |  | (718,321 | )
Financing activities: |  |  |  |  |  |  |
Proceeds from issuance of long-term debt, net of debt issuance costs | (2,093 | ) |  | — |  |  | — |  |  | (2,093 | )
Payment of HomeAway Convertible Notes | — |  |  | (401,424 | ) |  | — |  |  | (401,424 | )
Purchases of treasury stock | (455,746 | ) |  | — |  |  | — |  |  | (455,746 | )
Payment of dividends to stockholders | (150,159 | ) |  | — |  |  | — |  |  | (150,159 | )
Proceeds from exercise of equity awards and employee stock purchase plan | 141,043 |  |  | — |  |  | — |  |  | 141,043 |
Withholding taxes for stock option exercises | (1,282 | ) |  | — |  |  | — |  |  | (1,282 | )
Changes in controlled subsidiaries, net | — |  |  | — |  |  | 208,016 |  |  | 208,016 |
Transfers (to) from related parties | 468,511 |  |  | (118,179 | ) |  | (350,332 | ) |  | — |
Other, net | (274 | ) |  | (1,484 | ) |  | (27,216 | ) |  | (28,974 | )
Net cash used in financing activities | — |  |  | (521,087 | ) |  | (169,532 | ) |  | (690,619 | )
Effect of exchange rate changes on cash and cash equivalents | — |  |  | (14,865 | ) |  | (20,017 | ) |  | (34,882 | )
Net increase (decrease) in cash and cash equivalents | — |  |  | (416,225 | ) |  | 536,737 |  |  | 120,512 |
Cash and cash equivalents at beginning of year | — |  |  | 841,696 |  |  | 834,603 |  |  | 1,676,299 |
Cash and cash equivalents at end of year | $ | — |  |  | $ | 425,471 |  |  | $ | 1,371,340 |  |  | $ | 1,796,811 |
CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS Year Ended December 31, 2015
| Parent |  | Guarantor Subsidiaries |  | Non-Guarantor Subsidiaries |  | Consolidated
| (In thousands)
Operating activities: |  |  |  |  |  |  |
Net cash provided by operating activities from continuing operations | $ | — |  |  | $ | 624,327 |  |  | $ | 743,718 |  |  | $ | 1,368,045 |
Investing activities: |  |  |  |  |  |  |
Capital expenditures, including internal-use software and website development | — |  |  | (709,679 | ) |  | (77,362 | ) |  | (787,041 | )
Purchases of investments | — |  |  | (473,538 | ) |  | (47,791 | ) |  | (521,329 | )
Sales and maturities of investments | — |  |  | 327,191 |  |  | 83,732 |  |  | 410,923 |
Acquisitions, net of cash acquired | (126,779 | ) |  | (1,873,079 | ) |  | (63,791 | ) |  | (2,063,649 | )
Transfers (to) from related parties | 126,779 |  |  | (303,846 | ) |  | 177,067 |  |  | — |
Proceeds from sale of business, net of cash divested and disposal costs | — |  |  | — |  |  | 523,882 |  |  | 523,882 |
Other, net | — |  |  | 54,226 |  |  | 11,728 |  |  | 65,954 |
Net cash provided by (used in) investing activities | — |  |  | (2,978,725 | ) |  | 607,465 |  |  | (2,371,260 | )
Financing activities: |  |  |  |  |  |  |
Proceeds from issuance of long-term debt, net of issuance costs | 1,441,860 |  |  | — |  |  | — |  |  | 1,441,860 |
Purchases of treasury stock | (60,546 | ) |  | — |  |  | — |  |  | (60,546 | )
Proceeds from issuance of treasury stock | 22,575 |  |  | — |  |  | — |  |  | 22,575 |
Payment of dividends to stockholders | (108,527 | ) |  | — |  |  | — |  |  | (108,527 | )
Proceeds from exercise of equity awards and employee stock purchase plan | 96,526 |  |  | — |  |  | 1,190 |  |  | 97,716 |
Withholding taxes for stock option exercises | (85,033 | ) |  | — |  |  | — |  |  | (85,033 | )
Changes in controlled subsidiaries, net | — |  |  | — |  |  | (8,518 | ) |  | (8,518 | )
Transfers (to) from related parties | (1,396,210 | ) |  | 2,350,385 |  |  | (954,175 | ) |  | — |
Other, net | 89,355 |  |  | (11,998 | ) |  | 27,315 |  |  | 104,672 |
Net cash provided by (used in) financing activities | — |  |  | 2,338,387 |  |  | (934,188 | ) |  | 1,404,199 |
Effect of exchange rate changes on cash and cash equivalents | — |  |  | (86,269 | ) |  | (41,116 | ) |  | (127,385 | )
Net increase (decrease) in cash and cash equivalents | — |  |  | (102,280 | ) |  | 375,879 |  |  | 273,599 |
Cash and cash equivalents at beginning of year | — |  |  | 943,976 |  |  | 458,724 |  |  | 1,402,700 |
Cash and cash equivalents at end of year | $ | — |  |  | $ | 841,696 |  |  | $ | 834,603 |  |  | $ | 1,676,299 |

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of condensed balance sheet, including, but not limited to, balance sheets of consolidated entities and consolidation eliminations. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCondensedBalanceSheetTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of condensed cash flow statement, including, but not limited to, cash flow statements of consolidated entities and consolidation eliminations. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCondensedCashFlowStatementTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of condensed income statement, including, but not limited to, income statements of consolidated entities and consolidation eliminations. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCondensedIncomeStatementTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration